Illinois Criminal Justice Information Authority & Spergel, I. A. (1999). Evaluation of the Little Village Gang Violence Reduction Project: The first three years; executive summary. Illinois Criminal Justice Information Authority.
Chicago-Zitierstil (17. Ausg.)Illinois Criminal Justice Information Authority und Irving A. Spergel. Evaluation of the Little Village Gang Violence Reduction Project: The First Three Years; Executive Summary. Chica Ill: Illinois Criminal Justice Information Authority, 1999.
MLA-Zitierstil (9. Ausg.)Illinois Criminal Justice Information Authority und Irving A. Spergel. Evaluation of the Little Village Gang Violence Reduction Project: The First Three Years; Executive Summary. Illinois Criminal Justice Information Authority, 1999.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.