Maxwell, J. C. (2011). The 5 levels of leadership: Proven steps to maximize your potential. Center Street.
Style de citation Chicago (17e éd.)Maxwell, John C. The 5 Levels of Leadership: Proven Steps to Maximize Your Potential. New York: Center Street, 2011.
Style de citation MLA (8e éd.)Maxwell, John C. The 5 Levels of Leadership: Proven Steps to Maximize Your Potential. Center Street, 2011.
Attention : ces citations peuvent ne pas être correctes à 100%.