Maxwell, J. C., & Stephen R. Covey. (2007). The 21 irrefutable laws of leadership: Follow them and people will follow you (10th ed.). Thomas Nelson.
Citação do estilo Chicago (17ª ed.)Maxwell, John C., e Stephen R. Covey. The 21 Irrefutable Laws of Leadership: Follow Them and People Will Follow You. 10th ed. Tennessee, Mexico: Thomas Nelson, 2007.
Citação MLA (9ª ed.)Maxwell, John C., e Stephen R. Covey. The 21 Irrefutable Laws of Leadership: Follow Them and People Will Follow You. 10th ed. Thomas Nelson, 2007.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.