Παραπομπή APA

McCormack, M. H. (2003). What they don't teach you at harvard business school. Profile books.

Παραπομπή Chicago Style

McCormack, Mark H. What They Don't Teach You at Harvard Business School. U.K: Profile books, 2003.

Παραπομπή MLA

McCormack, Mark H. What They Don't Teach You at Harvard Business School. Profile books, 2003.