1. Achenbach TM (1991) Manual for the Youth Self-Report and 1991 Profile
2. Aldenderfer MS, Blashfield RK (1984) Cluster analysis. Newbury park. Sage Publications, California
3. American Association of University Women Educational Foundation (1993) Hostile hallways: The AAUW survey on sexual harassment in America’s schools (No. 923012). Harris/Scholastic Research, Washington, DC
4. American Association of University Women Educational Foundation (2001) Hostile hallways: Sexual harassment and bullying in schools. Harris/Scholastic Research, Washington, DC
5. Aronson E, Wilson TD, Akert RM (2002) Social psychology, 4th edn. Prentice Hall