ZIKMUND, W. G. (1994). Exploring marketing research. The Dryden Press.
Cita Chicago (17th ed.)ZIKMUND, William G. Exploring Marketing Research. Philadelphia: The Dryden Press, 1994.
Cita MLA (9th ed.)ZIKMUND, William G. Exploring Marketing Research. The Dryden Press, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.