Boone, L. E., & Kurtz, D. L. (1989). Contemporary marketing (6th ed.). Dryden Press.
Chicago Style (17th ed.) ZitazioaBoone, Louis E., eta David L. Kurtz. Contemporary Marketing. 6th ed. Chicago: Dryden Press, 1989.
MLA (9th ed.) ZitazioaBoone, Louis E., eta David L. Kurtz. Contemporary Marketing. 6th ed. Dryden Press, 1989.
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