Dyfyniad APA

Tourniaire, F., & Farrell, R. (1997). Art of Software Support: Design and Operation of Support Centres and Help Desks. Prentice-Hall of India.

Dyfyniad Arddull Chicago

Tourniaire, Francoise, and Richard Farrell. Art of Software Support: Design and Operation of Support Centres and Help Desks. New Jersey: Prentice-Hall of India, 1997.

Dyfyniad MLA

Tourniaire, Francoise, and Richard Farrell. Art of Software Support: Design and Operation of Support Centres and Help Desks. Prentice-Hall of India, 1997.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.