Citazione APA

Denton, D. K. (1992). How to give quality service to your customers. Universal book stall.

Stile di citazione Chicago

Denton, D. Keith. How to Give Quality Service to Your Customers. New Delhi: Universal book stall, 1992.

Citazione MLA

Denton, D. Keith. How to Give Quality Service to Your Customers. Universal book stall, 1992.