Northouse, P. G. (2018). Introduction to leadership: Concepts and practice (Fourth Edition.). Sage.
Lua i Stíl Chicago (17ú heag.)Northouse, Peter Guy. Introduction to Leadership: Concepts and Practice. Fourth Edition. Los Angeles, California: Sage, 2018.
Lua MLA (9ú heag.)Northouse, Peter Guy. Introduction to Leadership: Concepts and Practice. Fourth Edition. Sage, 2018.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.