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, FL: J. Ross Pub, 2010.

MLA-viite (8. p.)

Knapp, Donna. The ITSm Process Design Guide: Developing, Reengineering, and Improving IT Service Management. J. Ross Pub, 2010.