APA (7e ed.) Bronvermelding

Zikmund, W. G. (2003). Business Research Methods (10th ed.). Tata McGraw-Hill.

Chicago (17e ed.) Bronvermelding

Zikmund, William G. Business Research Methods. 10th ed. New Delhi: Tata McGraw-Hill, 2003.

MLA (9e ed.) Bronvermelding

Zikmund, William G. Business Research Methods. 10th ed. Tata McGraw-Hill, 2003.