Catherine A Cummings Guhyasamaja Tantra in John C. Huntington, Dina Bangdel, Robert A. F. Thurman The Circle of Bliss – Buddhist Meditational Art, Serindia Publications, Inc., 2003 p. 432-448
(ISBN1932476016) (ISBN9781932476019) Google books.
kalacakra.org
Traduction en anglais de E. Henning dans Introduction to the Six Yogas, 2005 [1] : « Tantra is called continuity, and this tantra is classified into three aspects: ground, together with its nature, and inalienableness. Nature is the basic cause, ground is called the method, and inalienableness is the result. The meaning of tantra is contained in these three » ; texte tibétain : rgyud ni rgyun chags zhes bya ste // rgyud de rnam pa gsum du 'gyur // gzhi dang de yi rang bzhin dang // mi 'phrogs pa yis rab phye ba // rang bzhin rnam pa rgyu yin te // gzhi ni thabs zhes bya ba'o // de bzhin mi 'phrogs 'bras bu ste // gsum gyis rgyud kyi don bsdus pa'o //.