Evans-Wentz, W. (1958). Tibetan yoga and secret doctrines. Oxford University Press.
Cita Chicago (17th ed.)Evans-Wentz, W.Y. Tibetan Yoga and Secret Doctrines. New York: Oxford University Press, 1958.
Cita MLA (9th ed.)Evans-Wentz, W.Y. Tibetan Yoga and Secret Doctrines. Oxford University Press, 1958.
Atenció: Aquestes cites poden no estar 100% correctes.