Agutter, C. (2020). ITIL 4 Essentials: Your essential guide for the ITIL 4 Foundation exam and beyond, second edition. IT Governance Publishing.
Chicago-Zitierstil (17. Ausg.)Agutter, Claire. ITIL 4 Essentials: Your Essential Guide for the ITIL 4 Foundation Exam and Beyond, Second Edition. [Place of publication not identified]: IT Governance Publishing, 2020.
MLA-Zitierstil (9. Ausg.)Agutter, Claire. ITIL 4 Essentials: Your Essential Guide for the ITIL 4 Foundation Exam and Beyond, Second Edition. IT Governance Publishing, 2020.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.