(en) Dru C. Gladney, Dislocating China: reflections on Muslims, minorities and other subaltern subjects, C. Hurst & Co. Publishers, (ISBN1-85065-324-0, lire en ligne), p. 212.
(en) Studies on Turkish and Turkic Languages: Proceedings of the Ninth International Conference on Turkish Linguistics, Harrassowitz, , 430-431 p. (ISBN978-3447042932, lire en ligne).