Levitt, T. (1962). Innovation in marketing: New perspectives for porfit and growth. McGraw Hill book company.
Trích dẫn kiểu ChicagoLevitt, Theodore. Innovation in Marketing: New Perspectives for Porfit and Growth. New York: McGraw Hill book company, 1962.
Trích dẫn MLALevitt, Theodore. Innovation in Marketing: New Perspectives for Porfit and Growth. McGraw Hill book company, 1962.
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