Hepner, H. W. (1955). Modern marketing: Dynamics and management. McGraw Hill McGraw Hill Book Company.
استشهاد بنمط شيكاغوHepner, Harry Walker. Modern Marketing: Dynamics and Management. New York: McGraw Hill McGraw Hill Book Company, 1955.
MLA استشهادHepner, Harry Walker. Modern Marketing: Dynamics and Management. McGraw Hill McGraw Hill Book Company, 1955.
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