(en) Akira HIRAKAWA, transl. from Japanese by Paul Groner, A history of Indian Buddhism: from Śākyamuni to early Mahāyāna. Reprint published by Motilal Banarsidass Publ., 1993 [1979], p. 2. [lire en ligne (page consultée le 9 septembre 2024)]
Randall Collins, The Sociology of Philosophies. A Global Theory of Intellectual Change. Harvard, Harvard University Press, 2000, p. 205. [lire en ligne (page consultée le 9 septembre 2024)]