Northouse, P. G. (2012). Introduction to leadership: Concepts and practice (2nd ed.). SAGE Publications.
Lua i Stíl Chicago (17ú heag.)Northouse, Peter Guy. Introduction to Leadership: Concepts and Practice. 2nd ed. Thousand Oaks, Calif.: SAGE Publications, 2012.
Lua MLA (8ú heag.)Northouse, Peter Guy. Introduction to Leadership: Concepts and Practice. 2nd ed. SAGE Publications, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.