APA (7. basım) Alıntı

AXELOS Limited. (2021). ITIL® 4: Reference and study guide. TSO (The Stationery Office), part of Williams Lea.

Chicago Style (17. basım) Atıf

AXELOS Limited. ITIL® 4: Reference and Study Guide. Norwich, United Kingdom: TSO (The Stationery Office), part of Williams Lea, 2021.

MLA (9th ed.) Atıf

AXELOS Limited. ITIL® 4: Reference and Study Guide. TSO (The Stationery Office), part of Williams Lea, 2021.