Citazione Stile APA (7a Edizione)

Zikmund, W. G. (2010). Business research methods (8th ed.). South-Western Cengage Learning.

Citazione stile Chigago Style (17a edizione)

Zikmund, William G. Business Research Methods. 8th ed. Mason, OH: South-Western Cengage Learning, 2010.

Citatione MLA (9a ed.)

Zikmund, William G. Business Research Methods. 8th ed. South-Western Cengage Learning, 2010.