Staub, R. E. (1996). The heart of leadership: 12 practices of courageous leaders. Executive Excellence Publishing.
Citace podle Chicago (17th ed.)Staub, Robert E. The Heart of Leadership: 12 Practices of Courageous Leaders. South Provo, Utah: Executive Excellence Publishing, 1996.
Citace podle MLA (9th ed.)Staub, Robert E. The Heart of Leadership: 12 Practices of Courageous Leaders. Executive Excellence Publishing, 1996.
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