Παραπομπή σε μορφή APA (7η εκδ.)

Maxwell, J. C., & Stephen R. Covey. (2007). The 21 irrefutable laws of leadership: Follow them and people will follow you (10th ed.). Thomas Nelson.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Maxwell, John C., και Stephen R. Covey. The 21 Irrefutable Laws of Leadership: Follow Them and People Will Follow You. 10th ed. Tennessee, Mexico: Thomas Nelson, 2007.

Παραπομπή σε μορφή MLA (9th εκδ.)

Maxwell, John C., και Stephen R. Covey. The 21 Irrefutable Laws of Leadership: Follow Them and People Will Follow You. 10th ed. Thomas Nelson, 2007.