Zikmund, W. G., & Babin, B. J. (2007). Essentials of marketing research. Mason, Ohio: Thomson/South-Western.
Chicago Style CitationZikmund, William G., i Barry J. Babin. Essentials of Marketing Research. Mason, Ohio: Thomson/South-Western, 2007.
Cita MLAZikmund, William G., i Barry J. Babin. Essentials of Marketing Research. Mason, Ohio: Thomson/South-Western, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.