APA-čujuhus (7. p.)
Punch, M. (2007). Zero tolerance policing. Policy Press.
Chicago-čujuhus (17. p.)
Punch, Maurice. Zero Tolerance Policing. Bristol, UK: Policy Press, 2007.
MLA-čujuhus (9. p.)
Punch, Maurice. Zero Tolerance Policing. Policy Press, 2007.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.