May, T. (2000). Serving up: The impact of low-level police enforcement on drug markets Police research series.
Chicago-Zitierstil (17. Ausg.)May, Tiggey. "Serving Up: The Impact of Low-level Police Enforcement on Drug Markets." Police Research Series 2000.
MLA-Zitierstil (8. Ausg.)May, Tiggey. "Serving Up: The Impact of Low-level Police Enforcement on Drug Markets." Police Research Series, 2000.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.