Drewitt, T. (2012). Everything you want to know about business continuity. IT Governance Publishing.
Lua i Stíl Chicago (17ú heag.)Drewitt, Tony. Everything You Want to Know About Business Continuity. Ely, Cambridgeshire: IT Governance Publishing, 2012.
Lua MLA (9ú heag.)Drewitt, Tony. Everything You Want to Know About Business Continuity. IT Governance Publishing, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.