Akhatov, G.A., Smagulov, T.N., Ganieva, A.S. & Amirgalina, G.T. (2008). Arkheologicheskie issledovaniya drevnego gorodishcha Jankent. Annual field report, Institute of Archaeology, Almaty [1]Archived 2014-03-25 at the Wayback Machine; Bajpakov, K.M., Voyakin, D.A. & Ilin, R.V. (2012). "The towns of Huwara and Yangikent, the old and new capitals of the Oguz state". Bulletin of the International Institute for Central Asian Studies 16. 22-44.
Akhatov, G.A., Smagulov, T.N., Ganieva, A.S. & Amirgalina, G.T. (2008). Arkheologicheskie issledovaniya drevnego gorodishcha Jankent. Annual field report, Institute of Archaeology, Almaty [1]Archived 2014-03-25 at the Wayback Machine; Bajpakov, K.M., Voyakin, D.A. & Ilin, R.V. (2012). "The towns of Huwara and Yangikent, the old and new capitals of the Oguz state". Bulletin of the International Institute for Central Asian Studies 16. 22-44.