Harrell, K. (2003). The attitude of leadership: Taking the lead and keeping it. Wiley.
Trích dẫn kiểu ChicagoHarrell, Keith. The Attitude of Leadership: Taking the Lead and Keeping It. Wiley, 2003.
MLA citiranjeHarrell, Keith. The Attitude of Leadership: Taking the Lead and Keeping It. Wiley, 2003.
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