Hester, E. L. (1996). Successful marketing research: The complete guide to getting and using essential information about your customers and competitors. Wiley.
Chicago-referens (17:e uppl.)Hester, Edward L. Successful Marketing Research: The Complete Guide to Getting and Using Essential Information About Your Customers and Competitors. New York: Wiley, 1996.
MLA-referens (8:e uppl.)Hester, Edward L. Successful Marketing Research: The Complete Guide to Getting and Using Essential Information About Your Customers and Competitors. Wiley, 1996.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.