Loehr, J., & Schwartz, T. (2003). The power of full engagement: Managing energy, not time, is the key to high performance and personal renewal. Free Press.
Lua i Stíl Chicago (17ú heag.)Loehr, Jim, agus Tony Schwartz. The Power of Full Engagement: Managing Energy, Not Time, Is the Key to High Performance and Personal Renewal. New York: Free Press, 2003.
Lua MLA (9ú heag.)Loehr, Jim, agus Tony Schwartz. The Power of Full Engagement: Managing Energy, Not Time, Is the Key to High Performance and Personal Renewal. Free Press, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.