1. Atik, G. (2006). The role of locus of control, self-esteem, parenting style, loneliness, and academic achievement in predicting bullying among middle school students (Unpublished master's thesis). Middle East Technical University, Ankara, Turkey.
2. Bektas, M. (2007). Ilkögretim ikinci kademe ögrencilerinde okul zorbaliginin yordanmasi [Predicting school bullying among middle school students] (Unpublished master's thesis). Ege University, Izmir, Turkey.
3. Assessment of bullying;Cornell,2006
4. Assessment of bullying: A review of methods and instruments;Crothers;Journal of Counseling & Development,2004
5. Dölek, N. (2002). Ilk ve orta ögretim okullarindaki ögrenciler arasinda zorbaca davranislarin incelenmesi ve zorbaligi önleme tutumu gelistirilmesi programinin etkisinin arastirilmasi [An investigation of bullying behaviors among elementary and high school students and the effect of program developing bullying prevention attitudes] (Unpublished doctoral dissertation). Marmara University, Istanbul, Turkey.