Παραπομπή APA

(1981). The Managerial challenge: A psychological approach to the changing world of management. New York: New American Library.

Παραπομπή Chicago Style

The Managerial Challenge: A Psychological Approach to the Changing World of Management. New York: New American Library, 1981.

Παραπομπή MLA

The Managerial Challenge: A Psychological Approach to the Changing World of Management. New York: New American Library, 1981.

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