Style de citation APA

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

Style de citation Chicago

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

Style de citation MLA

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

Attention : ces citations peuvent ne pas être correctes à 100%.