^Hammarström, Harald; Forkel, Robert; Haspelmath, Martin, penyunting (2017). "Turkik". Glottolog 3.0. Jena, Germany: Max Planck Institute for the Science of Human History.
^Dybo A.V., "Chronology of Türkic languages and linguistic contacts of early Türks", Moskow, 2007, p. 766, Diarkibkan 2005-03-11 di Wayback Machine (In Russian)
Akhatov G. Kh. 1960. "About the stress in the language of the Siberian Tatars in connection with the stress of modern Tatar literary language" .- Sat *"Problems of Turkic and the history of Russian Oriental Studies." Kazan. (Rusia)
Akhatov G.Kh. 1963. "Dialect West Siberian Tatars" (monograph). Ufa. (Rusia)
Baskakov, N.A. 1962, 1969. "Introduction to the study of the Turkic languages. Moscow. (Rusia)
Boeschoten, Hendrik & Lars Johanson. 2006. Turkic languages in contact. Turcologica, Bd. 61. Wiesbaden: Harrassowitz. ISBN 3-447-05212-0
Clausen, Gerard. 1972. An etymological dictionary of pre-thirteenth-century Turkish. Oxford: Oxford University Press.
Deny, Jean et al. 1959–1964. Philologiae Turcicae Fundamenta. Wiesbaden: Harrassowitz.
Johanson, Lars & Éva Agnes Csató (ed.). 1998. The Turkic languages. London: Routledge. ISBN 0-415-08200-5.
Johanson, Lars. 1998. "The history of Turkic." In: Johanson & Csató, pp. 81–125.
Johanson, Lars. 1998. "Turkic languages." In: Encyclopædia Britannica. CD 98. Encyclopædia Britannica Online, 5 sept. 2007.
Menges, K. H. 1968. The Turkic languages and peoples: An introduction to Turkic studies. Wiesbaden: Harrassowitz.
Öztopçu, Kurtuluş. 1996. Dictionary of the Turkic languages: English, Azerbaijani, Kazakh, Kyrgyz, Tatar, Turkish, Turkmen, Uighur, Uzbek. London: Routledge. ISBN 0-415-14198-2
Samoilovich, A. N. 1922. Some additions to the classification of the Turkish languages. Petrograd.
Schönig, Claus. 1997–1998. "A new attempt to classify the Turkic languages I-III." Turkic Languages 1:1.117–133, 1:2.262–277, 2:1.130–151.
Starostin, Sergei A., Anna V. Dybo, and Oleg A. Mudrak. 2003. Etymological Dictionary of the Altaic Languages. Leiden: Brill. ISBN 90-04-13153-1
Voegelin, C.F. & F.M. Voegelin. 1977. Classification and index of the World's languages. New York: Elsevier.