Gottschalk, P. (2009). Policing the police: Knowledge management in law enforcement. Nova Science Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGottschalk, Petter. Policing the Police: Knowledge Management in Law Enforcement. New York: Nova Science Publishers, 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGottschalk, Petter. Policing the Police: Knowledge Management in Law Enforcement. Nova Science Publishers, 2009.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.