Παραπομπή APA

Eckhart Tolle. (2006). A New Earth: Awakening to Your Life's Purpose. Penguin Books.

Παραπομπή Chicago Style

Eckhart Tolle. A New Earth: Awakening to Your Life's Purpose. London: Penguin Books, 2006.

Παραπομπή MLA

Eckhart Tolle. A New Earth: Awakening to Your Life's Purpose. Penguin Books, 2006.