Dyfyniad APA

Maxwell, J. C. (1999). 21 irrefutable laws of leadership. Magna publishing Co. Ltd.

Dyfyniad Arddull Chicago

Maxwell, John C. 21 Irrefutable Laws of Leadership. Mumbai: Magna publishing Co. Ltd, 1999.

Dyfyniad MLA

Maxwell, John C. 21 Irrefutable Laws of Leadership. Magna publishing Co. Ltd, 1999.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.