Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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