Levitt, T. (1962). Innovation in marketing: New perspectives for profit and growth. New York: McGraw-Hill Book Company, Inc.
Παραπομπή Chicago StyleLevitt, Theodore. Innovation in Marketing: New Perspectives for Profit and Growth. New York: McGraw-Hill Book Company, Inc, 1962.
Παραπομπή MLALevitt, Theodore. Innovation in Marketing: New Perspectives for Profit and Growth. New York: McGraw-Hill Book Company, Inc, 1962.
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