Dyfyniad APA

Johns, T. (1994). Perfect customer care: All you need to get it right first time. Arrow, Random House.

Dyfyniad Arddull Chicago

Johns, Ted. Perfect Customer Care: All You Need to Get It Right First Time. London : UK: Arrow, Random House, 1994.

Dyfyniad MLA

Johns, Ted. Perfect Customer Care: All You Need to Get It Right First Time. Arrow, Random House, 1994.

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