Brewster, E., & Lawes, A. (2012). IT service management: A guide for ITIL foundation exam candidates, second edition. British Computer Society.
Čikaški stil citiranjaBrewster, Ernest, i Aidan Lawes. IT Service Management: A Guide for ITIL Foundation Exam Candidates, Second Edition. British Computer Society, 2012.
MLA način citiranjaBrewster, Ernest, i Aidan Lawes. IT Service Management: A Guide for ITIL Foundation Exam Candidates, Second Edition. British Computer Society, 2012.
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