(2003). Problem-oriented guides for police. US Department of Justice, Office of Community Oriented Policing Services.
Chicago-Zitierstil (17. Ausg.)Problem-oriented Guides for Police. Washington, DC: US Department of Justice, Office of Community Oriented Policing Services, 2003.
MLA-Zitierstil (8. Ausg.)Problem-oriented Guides for Police. US Department of Justice, Office of Community Oriented Policing Services, 2003.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.