Kaplan, R. E. (1999). Internalizing strengths: An overlooked way of overcoming weaknesses in managers. Center for Creative Leadership.
Lua i Stíl Chicago (17ú heag.)Kaplan, Robert E. Internalizing Strengths: An Overlooked Way of Overcoming Weaknesses in Managers. Greensboro, N.C.: Center for Creative Leadership, 1999.
Lua MLA (9ú heag.)Kaplan, Robert E. Internalizing Strengths: An Overlooked Way of Overcoming Weaknesses in Managers. Center for Creative Leadership, 1999.
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