APA-viite (7. p.)
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-viite (17. p.)
BCS, The Chartered Institute for IT, Inc ebrary, ja Ernest Brewster. IT Service Management: A Guide for ITIL Foundation Exam Candidates. 2nd ed. Swindon, U.K.: British Informatics Society Ltd., 2012.
MLA-viite (9. p.)
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.
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