APA-viite (7. p.)

Zikmund, W. G. (2003). Business Research Methods (3rd.). Thomson Learning.

Chicago-viite (17. p.)

Zikmund, William G. Business Research Methods. 3rd. New Delhi: Thomson Learning, 2003.

MLA-viite (9. p.)

Zikmund, William G. Business Research Methods. 3rd. Thomson Learning, 2003.