McDaniel, C. D., & Gates, R. H. (2001). Marketing research essentials (Third edition.). South-Western College Publishing.
Chicago-viite (17. p.)McDaniel, Carl D., ja Roger H. Gates. Marketing Research Essentials. Third edition. Cincinnati, Ohio: South-Western College Publishing, 2001.
MLA-viite (9. p.)McDaniel, Carl D., ja Roger H. Gates. Marketing Research Essentials. Third edition. South-Western College Publishing, 2001.
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