Per Kvaerne.10. The Bon Religion of Tibet // The Tibetan History Reader / Edited by Gray Tuttle, Kurtis R. Schaeffer. — New York: Columbia University Press, 2013. — P. 186. — xxiii + 720 p. — ISBN 978-0-231-51354-8. «This is the religion that emerged in the tenth and eleventh centuries (at least in its present form) and which still flourishes today.»
