APA (7th ed.) Zitazioa

Northouse, P. G. (1997). Leadership: Theory and practice. Sage.

Chicago Style (17th ed.) Zitazioa

Northouse, Peter G. Leadership: Theory and Practice. London: Sage, 1997.

MLA (9th ed.) Zitazioa

Northouse, Peter G. Leadership: Theory and Practice. Sage, 1997.