Cita APA (7a ed.)

Zikmund, W. (1994). Business research methods (4th ed.). Dryden Press.

Cita Chicago Style (17a ed.)

Zikmund, William. Business Research Methods. 4th ed. Hinsdale, Illinois: Dryden Press, 1994.

Cita MLA (9a ed.)

Zikmund, William. Business Research Methods. 4th ed. Dryden Press, 1994.