Zikmund, W. G. (1989). Exploring marketing research (Third edition.). Dryden Press.
Cita Chicago Style (17a ed.)Zikmund, William G. Exploring Marketing Research. Third edition. Chicago [i pozostałe]: Dryden Press, 1989.
Cita MLA (9a ed.)Zikmund, William G. Exploring Marketing Research. Third edition. Dryden Press, 1989.
Precaución: Estas citas no son 100% exactas.