Locke, E. A., & Kirkpatrick, S. (1991). The essence of leadership: The four keys to leading successfully. Lexington Books Maxwell Macmillan Canada Maxwell Macmillan International.
Citace podle Chicago (17th ed.)Locke, Edwin A., a Shelley Kirkpatrick. The Essence of Leadership: The Four Keys to Leading Successfully. New York, Toronto, New York: Lexington Books Maxwell Macmillan Canada Maxwell Macmillan International, 1991.
Citace podle MLA (9th ed.)Locke, Edwin A., a Shelley Kirkpatrick. The Essence of Leadership: The Four Keys to Leading Successfully. Lexington Books Maxwell Macmillan Canada Maxwell Macmillan International, 1991.
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