Παραπομπή APA
Pederson, C. A., & Wright, M. D. (1976). Selling: Principles and methods (6th ed.). Homewood, Ill.: R. D. Irwin.
Παραπομπή Chicago StylePederson, Carlton A., and Milburn D. Wright. Selling: Principles and Methods. 6th ed. Homewood, Ill.: R. D. Irwin, 1976.
Παραπομπή MLAPederson, Carlton A., and Milburn D. Wright. Selling: Principles and Methods. 6th ed. Homewood, Ill.: R. D. Irwin, 1976.
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