USA Office of Juvenile Justice and Delinquency Prevention & Spergel, I. A. (1996). Gang suppression and intervention: Community models; research summary (Repr.). Office of Juvenile Justice and Delinquency Prevention.
Chicago-Zitierstil (17. Ausg.)USA Office of Juvenile Justice and Delinquency Prevention und Irving A. Spergel. Gang Suppression and Intervention: Community Models; Research Summary. Repr. Washington, DC: Office of Juvenile Justice and Delinquency Prevention, 1996.
MLA-Zitierstil (9. Ausg.)USA Office of Juvenile Justice and Delinquency Prevention und Irving A. Spergel. Gang Suppression and Intervention: Community Models; Research Summary. Repr. Office of Juvenile Justice and Delinquency Prevention, 1996.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.