APA-referens (7:e uppl.)

Zikmund, W. G. (2009). Essentials of Marketing Research. Cengage.

Chicago-referens (17:e uppl.)

Zikmund, William G. Essentials of Marketing Research. Delhi: Cengage, 2009.

MLA-referens (9:e uppl.)

Zikmund, William G. Essentials of Marketing Research. Cengage, 2009.