APA (7 वां संस्करण) प्रशस्ति पत्र
Cullen, E., & Newell, T. (2003). Murderers and life imprisonment: Containment, treatment, safety and risk. Waterside Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Cullen, Eric, और Tim Newell. Murderers and Life Imprisonment: Containment, Treatment, Safety and Risk. Winchester: Waterside Press, 2003.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Cullen, Eric, और Tim Newell. Murderers and Life Imprisonment: Containment, Treatment, Safety and Risk. Waterside Press, 2003.
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