Παραπομπή APA
Drucker, P. F. 1. (1996). The executive in action: Managing for results, innovation and entrepreneurship, the effective executive. New York: Harper Business.
Παραπομπή Chicago StyleDrucker, Peter F. 1909-2005. The Executive in Action: Managing for Results, Innovation and Entrepreneurship, the Effective Executive. New York: Harper Business, 1996.
Παραπομπή MLADrucker, Peter F. 1909-2005. The Executive in Action: Managing for Results, Innovation and Entrepreneurship, the Effective Executive. New York: Harper Business, 1996.
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