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-Zitierstil (17. Ausg.)BCS, The Chartered Institute for IT, Inc ebrary, und Ernest Brewster. IT Service Management: A Guide for ITIL Foundation Exam Candidates. 2nd ed. Swindon, U.K.: British Informatics Society Ltd., 2012.
MLA-Zitierstil (9. Ausg.)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.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.