Dyfyniad APA

Denton, D. K. (1990). How to give quality service to your customers. Universal.

Dyfyniad Arddull Chicago

Denton, D. Keith. How to Give Quality Service to Your Customers. New Delhi: Universal, 1990.

Dyfyniad MLA

Denton, D. Keith. How to Give Quality Service to Your Customers. Universal, 1990.

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