APA-referens (7:e uppl.)
Maxwell, J. C., & Stephen R. Covey. (2007). The 21 irrefutable laws of leadership: Follow them and people will follow you (10th ed.). Thomas Nelson.
Chicago-referens (17:e uppl.)
Maxwell, John C., och Stephen R. Covey. The 21 Irrefutable Laws of Leadership: Follow Them and People Will Follow You. 10th ed. Tennessee, Mexico: Thomas Nelson, 2007.
MLA-referens (9:e uppl.)
Maxwell, John C., och Stephen R. Covey. The 21 Irrefutable Laws of Leadership: Follow Them and People Will Follow You. 10th ed. Thomas Nelson, 2007.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.