Dyfyniad APA

Zemke, R., & Bell, C. (2006). Service magic: The art of amazing your customers. Corpus collosum.

Dyfyniad Arddull Chicago

Zemke, Ron, and Chip Bell. Service Magic: The Art of Amazing Your Customers. New Delhi: Corpus collosum, 2006.

Dyfyniad MLA

Zemke, Ron, and Chip Bell. Service Magic: The Art of Amazing Your Customers. Corpus collosum, 2006.

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