USA. (2002). Problem-solving tips: A guide to reducing crime and disorder through problem-partnerships (Rev.). Department of Justice, Community Oriented Policing Services.
Chicago-Zitierstil (17. Ausg.)USA. Problem-solving Tips: A Guide to Reducing Crime and Disorder Through Problem-partnerships. Rev. Washington, DC: Department of Justice, Community Oriented Policing Services, 2002.
MLA-Zitierstil (9. Ausg.)USA. Problem-solving Tips: A Guide to Reducing Crime and Disorder Through Problem-partnerships. Rev. Department of Justice, Community Oriented Policing Services, 2002.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.