APA (7th ed.) Zitazioa
Northouse, P. G. (2007). Leadership: Theory and practice (4th ed.). Sage.
Chicago Style (17th ed.) Zitazioa
Northouse, Peter G. Leadership: Theory and Practice. 4th ed. Oaks, Carlifornia: Sage, 2007.
MLA (9th ed.) Zitazioa
Northouse, Peter G. Leadership: Theory and Practice. 4th ed. Sage, 2007.
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