APA (7 वां संस्करण) प्रशस्ति पत्र
Drewitt, T. (2012). Everything you want to know about business continuity. IT Governance Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Drewitt, Tony. Everything You Want to Know About Business Continuity. Ely, Cambridgeshire: IT Governance Publishing, 2012.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Drewitt, Tony. Everything You Want to Know About Business Continuity. IT Governance Publishing, 2012.
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