↑P.B. Golden, An introduction to the History of the Turkic peoples: ethnogenesis and state formation in medieval and early modern Eurasia and the Middle East, Wiesbaden, 1992, p. 244, P.B. Golden, Studies on the Peoples and Cultures of the Eurasian Steppes, Bucureşti-Brăila, 2011, p. 144.
↑H.J. Kim, The Huns, Rome and the Birth of Europe, Cambridge - New York - e.a., 2013, p. 138.