Tohutoro APA (7th ed.)
Agutter, C. ITIL Foundation Essentials: ITIL 4 Edition : The Ultimate Revision Guide (2a edición.). IT Governance.
Tohutoru Kātū Chicago (17th ed.)
Agutter, Claire. ITIL Foundation Essentials: ITIL 4 Edition : The Ultimate Revision Guide. 2a edición. Cambridgeshire, Inglaterra: IT Governance.
Tohutoro MLA (9th ed.)
Agutter, Claire. ITIL Foundation Essentials: ITIL 4 Edition : The Ultimate Revision Guide. 2a edición. IT Governance.
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