Citace podle APA

Hale, G. A. (1996). The leader's edge: Mastering the five skills of breakthrough thinking. Burr Ridge, Ill: Irwin Professional Pub.

Styl Chicago

Hale, Guy A. The Leader's Edge: Mastering the Five Skills of Breakthrough Thinking. Burr Ridge, Ill: Irwin Professional Pub, 1996.

Citace podle MLA

Hale, Guy A. The Leader's Edge: Mastering the Five Skills of Breakthrough Thinking. Burr Ridge, Ill: Irwin Professional Pub, 1996.

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