Northouse, P. G. (2013). Leadership: Theory and practice (6th ed.). Sage Publications.
Lua i Stíl Chicago (17ú heag.)Northouse, Peter Guy. Leadership: Theory and Practice. 6th ed. New Delhi: Sage Publications, 2013.
Lua MLA (8ú heag.)Northouse, Peter Guy. Leadership: Theory and Practice. 6th ed. Sage Publications, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.