Tracy, B. (2004). Time power: A proven system for getting more done in less time than you ever thought possible (1st edition.). American Management Association.
Cita Chicago Style (17a ed.)Tracy, Brian. Time Power: A Proven System for Getting More Done in Less Time than You Ever Thought Possible. 1st edition. New York: American Management Association, 2004.
Cita MLA (9a ed.)Tracy, Brian. Time Power: A Proven System for Getting More Done in Less Time than You Ever Thought Possible. 1st edition. American Management Association, 2004.
Precaución: Estas citas no son 100% exactas.