Clemens, J., & Dalrymple, S. (2005). Time mastery: How temporal intelligence will make you a stronger, more effective leader. American Management Association.

Clemens, John, and Scott Dalrymple. Time Mastery: How Temporal Intelligence Will Make You a Stronger, More Effective Leader. New York: American Management Association, 2005.

Clemens, John, and Scott Dalrymple. Time Mastery: How Temporal Intelligence Will Make You a Stronger, More Effective Leader. American Management Association, 2005.