APA-referens (7:e uppl.)
Umbach, G. H. (2011). The last neighborhood cops: The rise and fall of community policing in New York public housing. Rutgers University Press.
Chicago-referens (17:e uppl.)
Umbach, Gregory Holcomb. The Last Neighborhood Cops: The Rise and Fall of Community Policing in New York Public Housing. New Brunswick, N.J.: Rutgers University Press, 2011.
MLA-referens (9:e uppl.)
Umbach, Gregory Holcomb. The Last Neighborhood Cops: The Rise and Fall of Community Policing in New York Public Housing. Rutgers University Press, 2011.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.