HUMPHREY, R. H. (2014). Effective leadership: Theory, cases, and applications. Sage Publications.
Lua i Stíl Chicago (17ú heag.)HUMPHREY, Ronald H. Effective Leadership: Theory, Cases, and Applications. Sage Publications, 2014.
Lua MLA (9ú heag.)HUMPHREY, Ronald H. Effective Leadership: Theory, Cases, and Applications. Sage Publications, 2014.
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