APA-viite (7. p.)
Knapp, D. (2010). The ITSm process design guide: Developing, reengineering, and improving IT service management. J. Ross Pub..
Chicago-viite (17. p.)
Knapp, Donna. The ITSm Process Design Guide: Developing, Reengineering, and Improving IT Service Management. Ft. Lauderdale, Fla.: J. Ross Pub., 2010.
MLA-viite (9. p.)
Knapp, Donna. The ITSm Process Design Guide: Developing, Reengineering, and Improving IT Service Management. J. Ross Pub., 2010.
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