USA, Office of Juvenile Justice and Delinquency Prevention, Spergel, I. A., & USA Office of Juvenile Justice and Delinquency Prevention. (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, Irving A. Spergel, und USA Office of Juvenile Justice and Delinquency Prevention. Gang Suppression and Intervention: Community Models; Research Summary. Repr. Washington, DC: Office of Juvenile Justice and Delinquency Prevention, 1996.
MLA-Zitierstil (8. Ausg.)USA, Office of Juvenile Justice and Delinquency Prevention, et al. Gang Suppression and Intervention: Community Models; Research Summary. Repr. Office of Juvenile Justice and Delinquency Prevention, 1996.