Ulmer, W. F. (1997). Inside view: A leader's observations on leadership. Center for Creative Leadership.
Citace podle Chicago (17th ed.)Ulmer, Walter F. Inside View: A Leader's Observations on Leadership. Greensboro, N.C.: Center for Creative Leadership, 1997.
Citace podle MLA (9th ed.)Ulmer, Walter F. Inside View: A Leader's Observations on Leadership. Center for Creative Leadership, 1997.
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