Tracy, B. (2004). Time power: A proven system for getting more done in less time than you ever thought possible. AMACOM.
Chicago-Zitierstil (17. Ausg.)Tracy, Brian. Time Power: A Proven System for Getting More Done in Less Time than You Ever Thought Possible. New York: AMACOM, 2004.
MLA-Zitierstil (9. Ausg.)Tracy, Brian. Time Power: A Proven System for Getting More Done in Less Time than You Ever Thought Possible. AMACOM, 2004.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.