Evans-Wentz, W. (1958). Tibetan yoga and secret doctrines. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Evans-Wentz, W.Y. Tibetan Yoga and Secret Doctrines. New York: Oxford University Press, 1958.
Lua MLA (9ú heag.)Evans-Wentz, W.Y. Tibetan Yoga and Secret Doctrines. Oxford University Press, 1958.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.