Jones, T., & Newburn, T. (2001). Widening access: Improving police relations with hard to reach groups Police research series.
Chicago-Zitierstil (17. Ausg.)Jones, Trevor, und Tim Newburn. "Widening Access: Improving Police Relations with Hard to Reach Groups." Police Research Series 2001.
MLA-Zitierstil (9. Ausg.)Jones, Trevor, und Tim Newburn. "Widening Access: Improving Police Relations with Hard to Reach Groups." Police Research Series, 2001.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.