Tolle, E. (2002). Practicing the power of now: Essential teachings....from the power of now. Yogi Impression.
Chicago-referens (17:e uppl.)Tolle, Eckhart. Practicing the Power of Now: Essential Teachings....from the Power of Now. Mumbai: Yogi Impression, 2002.
MLA-referens (9:e uppl.)Tolle, Eckhart. Practicing the Power of Now: Essential Teachings....from the Power of Now. Yogi Impression, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.