Hair, J. F., Bush, R. P., & Ortinau, D. J. (2006). Marketing research: Within a changing information environment (3rd ed.). McGraw-Hill.
Chicago Style aipamenaHair, Joseph F., Robert P. Bush, and David J. Ortinau. Marketing Research: Within a Changing Information Environment. 3rd ed. Boston: McGraw-Hill, 2006.
MLA aipamenaHair, Joseph F., et al. Marketing Research: Within a Changing Information Environment. 3rd ed. McGraw-Hill, 2006.
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