^Kljaštornyj, S.G. and Livšic, V.A. (1972) Acta Orientalia Academiae Scientiarum Hungaricae (1972) "The Sogdian Inscription of Bugut", Tomus XXVI (1), p. 74 of pp. 69— 102 open access
^Gary Seaman, Daniel Marksm, Rulers from the steppe: state formation on the Eurasian periphery, Ethnographics Press, Center for Visual Anthropology, University of Southern California, 1991, ISBN978-1-878986-01-6, p. 97, 100.