APA-referens (7:e uppl.)
Keve, P. W. (1960). The probation officer investigates: A guide to the presentence report. University of Minnesota Press.
Chicago-referens (17:e uppl.)
Keve, Paul W. The Probation Officer Investigates: A Guide to the Presentence Report. Minneapolis: University of Minnesota Press, 1960.
MLA-referens (9:e uppl.)
Keve, Paul W. The Probation Officer Investigates: A Guide to the Presentence Report. University of Minnesota Press, 1960.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.