APA (7 वां संस्करण) प्रशस्ति पत्र

WRR. (2012). Physical Safety: A Matter of Balancing Responsibilities. Amsterdam University Press.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

WRR. Physical Safety: A Matter of Balancing Responsibilities. Amsterdam University Press, 2012.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

WRR. Physical Safety: A Matter of Balancing Responsibilities. Amsterdam University Press, 2012.

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