Patchin, J. W. & Hinduja, S. (2015). Defining Cyberbullying: Implications for Research. Aggression and Violent Behavior, 23, 69-74.
 Patchin, J. W. & Hinduja, S. (2013). Cyberbullying among Adolescents: Implications for Empirical Research. Journal of Adolescent Health 53(4), 431-432.
 Kowalski, R.M, Limber SP. (2013). Psychological, physical, and academic correlates of cyberbullying and traditional bullying. Journal Adolescent Health, 36:341-50.
 Patchin, J.W., Hinduja, S. (2010). Cyberbullying and self-esteem. Journal School Health, 80:616-23.
 Patchin, J.W., & Hinduja, S. (2006). Bullies move beyond the schoolyard: A preliminary look at cyberbullying. Youth Violence and Juvenile Justice, 4(2), 148-169.
 The Meriam-Webster Dictionary (2016). Springfield MA: Merriam-Webster, Inc.
 Patchin, J.W. & Hinduja, S. (2016). Bullying Today: Bullet Points and Best Practices. Thousand Oaks, CA: Sage Publications.
 Kowlaski, R.M., Limber, S.P., & Agatson, P.W. (2008). Cyber bullying: Bullying in the digital age. Malden, MA: Blackwell Publishing.
 Smith, P.K., Mahdavi, J., Carvalho, M., Fisher, S., Russell, S., & Tippett, N. (2008). Cyberbullying: Its nature and impact in secondary school pupils. Journal of Child Psychology and Psychiatry, 49(4), 376-385.
 Olweus, D. (1993). Bullying at school. Oxford, UK: Blackwell.
 Olweus, D. (1991). Bully/ victim problems among schoolchildren: basic facts and effects of a school-based intervention programme: In D. Pepler & K. Rubin, (Eds.) The Development Treatment of Childhood Aggression. Hillsdale, NJ: Erlbaum.
 Rigly, K., & Slee, P.T. (1993). Dimensions of interpersonal relating among Australian school children and their implications of psychological well-being. The Journal of Social Psychology, 133(1), 33-42.
 Thompson, D, & Sharp, S. (1998). The dynamics of victimization and rejection in school. Improving schools: Establishing and integrating whole school behavior policies (pp.11-25). London: David Fulton.
 Randa, R., Wilcox, P. (2012). Avoidance at school further specifying the influence of disorder, victimization, and fear. Youth Violence and Juvenile Justice, 10(2), 190-204.
 Ybarra, M.L., & Mitchell, K.J. (2004). Online aggressor/targets aggressors, and targets: A comparison of associated youth characteristics. Journal of Child Psychology and Psychiatry, 45, 1308-1316.
 Goddard, C. (20080. “Cyber world bullying”, Education Digest, 73(7), 4-9.
 Wolak, J., Mitchell, K., & Finkelhor, D. (2007). Does online harassment constitute bullying? An exploration of online harassment by known peers and online-only contacts. Journal of Adolescent Health, 41, S51-S58.
 Brady, K.P. (2010). Cyberbullying. Encyclopedia of law and higher education, Sage Publications, Inc.
 Li, Q. (2006). Cyberbullying in school: a research of gender differences. School Psychological International, 27, 157-170.
 Microsoft, ‘Online Bullying Among Youth 8-17 Years Old-Malaysia, 2012’, www.microsoft.com/security/resources/research.aspx#cyberberbullying
 Ahmad Zaharuddin Sani Sabri. “Ancaman Baru Lautan Biru. Buli Siber” Mstar Online, 19 Mac 2012
 Hinduja, S., & Patchin, J.W. (2007). Offline consequences of online victimization: School violence and delinquency. Journal of School Violence, 6(3), 89-112.
 Ybarra, M.L., Diener- West, M., & Leaf, P.J. (2007). Examining the overlap in internet harassment and school bullying: implications for school intervention. Journal of Adolescent Health, 41, S42-S50.
 Aseltine, R.H., S., & Gordon, J.(2000). Life stress, anger and anxiety, and delinquency: An empirical test of general strain theory. Journal of Health and Social Behavior, 41(3), 256-275.
 Mazarolle, P., & Piquero, A. (1998). Linking exposure to strain with anger: An investigation of deviant adaptations. Journal of Criminal Justice, 26(3), 195-211.
 Bauman, S. (2011). Cyberbullying. What counselors need to know. Alexandria, VA: American Counseling Association.
 Winburn, A., Niemeyer, R., & Reysen, R. (2012). Mississippi principals perceptions of cyberbullying. Delta Journal of Education, 2(2), 1-15.
 Bradshaw, C.P., Waasdorp, T.E., O' Brennan, L.M., & Gulemetova, M. (2011). Findings from the National Education Association's nationwide study of bullying: Teacher's and education support professionals' perspectives. Washington, DC: National Education Association.
 Lund, E.M., Blake, J.J., Ewing, H.K., & Banks, C.S. (2012). School counselors' and school psychologists' bullying prevention and intervention strategies: A look into real-world practices. Journal of School Violence, 11(3), 246-265.
 Li, Q. (2010). Cyberbullying in high school: A study of students' behaviors and beliefs about this new phenomenon. Journal of Aggression, Maltreatment & Trauma, 19(4), 372- 392.
 Spradley, James P. (1997). Participant Observation. Woodwork Publishing Co Inc.
 Crow G, Wiles R, Heath S, Charles V. Research ethics and data quality: The implications of informed consent. International Journal of Social Research Methodology. 2006; 9:83–95.
 Krugmen, Richard, D. & Krugman, Mary K. (1984), Emotional Abuse in the Classroom: The Pediatrician’s Role in Diagnosis and Treatment. Archives of Pediatrics and Adolescent Medicine 128: 284-286.
 Batsche, G.M., & Knoff, H.M. (1994). Bullies and their victims: Understanding a pervasive problem in the school intervention. School Psychological Review, 23, 165-174.
 Slee, P.T., & Rigby, K. (1993). The relationship of Eysenck's personality factors and self- esteem to bully/victim behaviour in Australian school boys. Personality and Individual Differences, 14, 371-373.
 Hinduja, S., & Patchin, J.W (2009). Bullying beyond the schoolyard: Preventing and responding to cyberbullying. Thousand Oaks, CA: Sage Publications (Corwin Press).
 Ybarra, M.L., & Mitchell, K.J. (2007).Prevalence and frequency of internet harassment instigation: Implications for adolescent health. Journal of Adolescent Health, 41, 189-195.
 Semb, O., Stömstem, L.M.J., & Sundbom, E. (2011). Distress after a single violent crime: How shame-proneness and event related shame work together as risk factors for post-victimization symptom. Psychological Report, 109, 3-23.
 Andrew, B., Brewin, C.R., Rose, S., & Kirk, M. (2000). Predicting PTSD symptoms in victim of violent crime: The role of shame, anger, and childhood abuse. Journal of Abnormal Psychology, 109, 69-73.
 Brendgen, Mara, Wanner, Brigitte, & Vitaro, Frank (2006). Verbal Abuse by the Teacher and Child Adjustment from Kindergarten through Grade 6. Pediatrics, 117:5.
 Salmivalli, C., Huttunen, A., & Lagerspetz, K.M.J. (1997). Peer networks and bullying in schools. Scandinavian. Journal of Psychology, 38, 305-312.
 Frost, S., Pheonix, A. and Pattman, R. (2002). Young Masculinities: Understanding Boys in Contemporary Society, Basingstoke: Palgrave.
 Chambers, D., Tincknell, E. and Van Loon, J. (2004). Peer Regulation of Teenage Sexual Identities. Gender and Education, 16(3): 397-415.
 Hearn, J. / Collinson, D.L. (1994). Theorizing unities and differences between men and masculinities. In: H. Brod/ M. Kaufman (eds.): Theorizing Masculinities. Newbury Park, CA: Sage, 148-162.
 Dooley, J.J., Gradinger, P., Strohmeier, D., Cross, D., Spiel, C. (2010). Cybervictimization: the association between help-seeking behaviors and self-reported emotional symptoms in Australia and Austria. Australian Journal of Guidance and Counseling, 20(2), 194-202.