Maxwell, J. C. (2007). The 21 irrefutable laws of leadership: Follow them and people will follow you (Rev. and updated 10th anniversary ed.). Thomas Nelson.
Chicago-viite (17. p.)Maxwell, John C. The 21 Irrefutable Laws of Leadership: Follow Them and People Will Follow You. Rev. and updated 10th anniversary ed. Nashville, Tenn.: Thomas Nelson, 2007.
MLA-viite (8. p.)Maxwell, John C. The 21 Irrefutable Laws of Leadership: Follow Them and People Will Follow You. Rev. and updated 10th anniversary ed. Thomas Nelson, 2007.
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