Παραπομπή APA
Buzzell, R. D., & Cox, D. F. (1969). Marketing research and information systems: Text and cases. New York: McGraw-Hill book company.
Παραπομπή Chicago StyleBuzzell, Robert D., and Donald F. Cox. Marketing Research and Information Systems: Text and Cases. New York: McGraw-Hill book company, 1969.
Παραπομπή MLABuzzell, Robert D., and Donald F. Cox. Marketing Research and Information Systems: Text and Cases. New York: McGraw-Hill book company, 1969.
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