APA (7. basım) Alıntı

(2007). The official introduction to the ITIL service lifecycle. TSO.

Chicago Style (17. basım) Atıf

The Official Introduction to the ITIL Service Lifecycle. London: TSO, 2007.

MLA (9th ed.) Atıf

The Official Introduction to the ITIL Service Lifecycle. TSO, 2007.