APA-referens (7:e uppl.)

Zikmund, W. G. (2010). Essentials of marketing research fourth edition. South-Western Cengage Learning.

Chicago-referens (17:e uppl.)

Zikmund, William G. Essentials of Marketing Research Fourth Edition. South-Western Cengage Learning, 2010.

MLA-referens (8:e uppl.)

Zikmund, William G. Essentials of Marketing Research Fourth Edition. South-Western Cengage Learning, 2010.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.