Powers, J. (1995). Introduction to Tibetan Buddhism (First edition.). Ithaca, New York.
Dyfyniad Arddull ChicagoPowers, John. Introduction to Tibetan Buddhism. First edition. Ithaca, New York, 1995.
Dyfyniad MLAPowers, John. Introduction to Tibetan Buddhism. First edition. Ithaca, New York, 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.