Citazione Stile APA (7a Edizione)

Zikmund, W. G. (2003). Business research methods (7th ed.). Thomson/South-Western.

Citazione stile Chigago Style (17a edizione)

Zikmund, William G. Business Research Methods. 7th ed. Mason, OH: Thomson/South-Western, 2003.

Citatione MLA (8a ed.)

Zikmund, William G. Business Research Methods. 7th ed. Thomson/South-Western, 2003.