MacKenna, J. J. (1981). Correctional training program of the Philadelphia prison system: Final report. National Criminal Justice Reference Service.
Chicago-Zitierstil (17. Ausg.)MacKenna, James J. Correctional Training Program of the Philadelphia Prison System: Final Report. Washington, D.C: National Criminal Justice Reference Service, 1981.
MLA-Zitierstil (8. Ausg.)MacKenna, James J. Correctional Training Program of the Philadelphia Prison System: Final Report. National Criminal Justice Reference Service, 1981.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.