Denton, D. K. (1992). How to give quality service to your customers. Universal book stall.
Chicago-stil citatDenton, D. Keith. How to Give Quality Service to Your Customers. New Delhi: Universal book stall, 1992.
MLA-referensDenton, D. Keith. How to Give Quality Service to Your Customers. Universal book stall, 1992.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.