Zikmund, W. G. (2002). Exploring marketing research (8th ed.). Thomson south western.
Chicago Edition CitationZikmund, William G. Exploring Marketing Research. 8th ed. Australia: Thomson south western, 2002.
Cita MLAZikmund, William G. Exploring Marketing Research. 8th ed. Thomson south western, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.