Denton, D. K. (1992). How to give quality service to your customers. Universal book stall.
Style de citation ChicagoDenton, D. Keith. How to Give Quality Service to Your Customers. New Delhi: Universal book stall, 1992.
Style de citation MLADenton, D. Keith. How to Give Quality Service to Your Customers. Universal book stall, 1992.
Attention : ces citations peuvent ne pas être correctes à 100%.