APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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