Aaker, D. A., Kumar, V., & Day, G. S. (1998). Marketing research (6th ed.). John Wiley & Sons.
Chicago Style (17. basım) AtıfAaker, David A., V. Kumar, ve George S. Day. Marketing Research. 6th ed. New York: John Wiley & Sons, 1998.
MLA (9th ed.) AtıfAaker, David A., et al. Marketing Research. 6th ed. John Wiley & Sons, 1998.
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