APA-viite

Tolle ,Eckhart. (2002). Practicing the power of now: Essential teachings,meditations and exercises from the power of now. Yogi Imressions.

Chicago-tyylinen lähdeviittaus

Tolle ,Eckhart. Practicing the Power of Now: Essential Teachings,meditations and Exercises from the Power of Now. Mumbai: Yogi Imressions, 2002.

MLA-viite

Tolle ,Eckhart. Practicing the Power of Now: Essential Teachings,meditations and Exercises from the Power of Now. Yogi Imressions, 2002.