APA-viite (7. p.)
Drewitt, T. (2012). Everything you want to know about business continuity. IT Governance Publishing.
Chicago-viite (17. p.)
Drewitt, Tony. Everything You Want to Know About Business Continuity. Ely, Cambridgeshire: IT Governance Publishing, 2012.
MLA-viite (9. p.)
Drewitt, Tony. Everything You Want to Know About Business Continuity. IT Governance Publishing, 2012.
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