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Dyfyniad Arddull ChicagoKnapp, Donna. The ITSm Process Design Guide: Developing, Reengineering, and Improving IT Service Management. Ft. Lauderdale, FL: J. Ross Pub, 2010.
Dyfyniad MLAKnapp, Donna. The ITSm Process Design Guide: Developing, Reengineering, and Improving IT Service Management. J. Ross Pub, 2010.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.