Bibliography
Allione, Tsultrim. 1984. “A-yu Khadro”, in Women of Wisdom. London: Penguin Group, pp.233-264.
Namkhai Norbu. 1986. The Crystal and the Way of Light: Sutra, Tantra and Dzogchen. New York; Routledge and Kegan Paul, pp.113-114.
Namkhai Norbu and Michael Katz. 2002. Dream Yoga and the Practice of Natural Light. New York: Snow Lion Publications, pp.130-131.