APA (7 वां संस्करण) प्रशस्ति पत्र
Herbert, S. K. (1997). Policing space: Territoriality and the Los Angeles Police Department. University of Minnesota Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Herbert, Steven Kelly. Policing Space: Territoriality and the Los Angeles Police Department. Minneapolis, Minn.: University of Minnesota Press, 1997.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Herbert, Steven Kelly. Policing Space: Territoriality and the Los Angeles Police Department. University of Minnesota Press, 1997.
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