NORTHOUSE, P. G. (2018). Introduction to leadership: Concepts and practice. SAGE.
Lua i Stíl Chicago (17ú heag.)NORTHOUSE, Peter G. Introduction to Leadership: Concepts and Practice. SAGE, 2018.
Lua MLA (9ú heag.)NORTHOUSE, Peter G. Introduction to Leadership: Concepts and Practice. SAGE, 2018.
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