Wilson Alan. (2014). Marketing Research an Integrated Approach (3rd.). Pearson.
Chicago Style aipamenaWilson Alan. Marketing Research an Integrated Approach. 3rd. Noida: Pearson, 2014.
MLA aipamenaWilson Alan. Marketing Research an Integrated Approach. 3rd. Pearson, 2014.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.