^Garrett, Frances. Religion, Medicine and the Human Embryo in Tibet. Routledge. 2008: 23–27.
^yuthog yonten gonpo. The Basic Tantra and the Explanatory Tantra From the Secret Quintessential Instructions on the Eight Branches of the Ambrosia Essence Tantra. Dharamsala, India: Men-Tsee-Khang Publications. 2008. ISBN 9788186419625.(英文)