Sogyal Rinpoche (2009). “The Tibetan Book of Living and Dying: The Spiritual Classic & International Bestseller: Revised and Updated Edition”, p.41, Harper Collins
Sogyal Rinpoche (2009). “The Tibetan Book of Living and Dying: The Spiritual Classic & International Bestseller: Revised and Updated Edition”, p.27, Harper Collins
Sogyal Rinpoche (2009). “The Tibetan Book of Living and Dying: The Spiritual Classic & International Bestseller: Revised and Updated Edition”, p.39, Harper Collins