Citazione Stile APA (7a Edizione)

Zikmund, W. G. (1997). Business research methods (5th ed.). Dryden Press.

Citazione stile Chigago Style (17a edizione)

Zikmund, William G. Business Research Methods. 5th ed. Fort Worth: Dryden Press, 1997.

Citatione MLA (9a ed.)

Zikmund, William G. Business Research Methods. 5th ed. Dryden Press, 1997.