Tolle, E. (2002). Practicing the power of now: Essential teachings....from the power of now. Yogi Impression.
Chicago-Zitierstil (17. Ausg.)Tolle, Eckhart. Practicing the Power of Now: Essential Teachings....from the Power of Now. Mumbai: Yogi Impression, 2002.
MLA-Zitierstil (9. Ausg.)Tolle, Eckhart. Practicing the Power of Now: Essential Teachings....from the Power of Now. Yogi Impression, 2002.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.