Style de citation APA

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

Style de citation Chicago

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

Style de citation MLA

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