Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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