APA Style
ITIL Foundation ITIL 4 Edition. (2019).
London:
Axelos.
Chicago Style
ITIL Foundation ITIL 4 Edition.
-.
London:
Axelos,
2019.
Text.
MLA Style
ITIL Foundation ITIL 4 Edition.
-.
London:
Axelos,
2019.
Text.
Turabian Style
ITIL Foundation ITIL 4 Edition.
London:
Axelos,
2019.
Print.