APA (7th ed.) Zitazioa

BCS, The Chartered Institute for IT, ebrary, Inc, & Brewster, E. (2012). IT service management: A guide for ITIL Foundation Exam candidates (2nd ed.). British Informatics Society Ltd..

Chicago Style (17th ed.) Zitazioa

BCS, The Chartered Institute for IT, Inc ebrary, eta Ernest Brewster. IT Service Management: A Guide for ITIL Foundation Exam Candidates. 2nd ed. Swindon, U.K.: British Informatics Society Ltd., 2012.

MLA (9th ed.) Zitazioa

BCS, The Chartered Institute for IT, et al. IT Service Management: A Guide for ITIL Foundation Exam Candidates. 2nd ed. British Informatics Society Ltd., 2012.