Dyfyniad APA

Gerson, R. F. (1998). Beyond customer service, revised (Rev. ed.). Crisp Publications.

Dyfyniad Arddull Chicago

Gerson, Richard F. Beyond Customer Service, Revised. Rev. ed. Menlo Park, Calif.: Crisp Publications, 1998.

Dyfyniad MLA

Gerson, Richard F. Beyond Customer Service, Revised. Rev. ed. Crisp Publications, 1998.

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