Παραπομπή APA
McCormack, M. H. (1989). What they still don't teach you at Harvard Business School. New York: Bantam Books.
Παραπομπή Chicago StyleMcCormack, Mark H. What They Still Don't Teach You At Harvard Business School. New York: Bantam Books, 1989.
Παραπομπή MLAMcCormack, Mark H. What They Still Don't Teach You At Harvard Business School. New York: Bantam Books, 1989.
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