Loehr, J. E. a., & Schwartz, T. (2003). The power of full engagement: Managing energy, not time, is the key to high performance and personal renewal. Free Press.
Chicago-referens (17:e uppl.)Loehr, James E. author, och Tony Schwartz. The Power of Full Engagement: Managing Energy, Not Time, Is the Key to High Performance and Personal Renewal. New York, NY: Free Press, 2003.
MLA-referens (9:e uppl.)Loehr, James E. author, och Tony Schwartz. The Power of Full Engagement: Managing Energy, Not Time, Is the Key to High Performance and Personal Renewal. Free Press, 2003.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.