APA (7 वां संस्करण) प्रशस्ति पत्र
Beckman, J. (2007). Comparative legal approaches to homeland security and anti-terrorism. Ashgate.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Beckman, James. Comparative Legal Approaches to Homeland Security and Anti-terrorism. Aldershot: Ashgate, 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Beckman, James. Comparative Legal Approaches to Homeland Security and Anti-terrorism. Ashgate, 2007.
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