^Starostin, Sergei,Dybo, Anna,Mudrak, Oleg (2003) “*jubut-”, inEtymological dictionary of the Altaic languages (Handbuch der Orientalistik; VIII.8)[1], Leiden, New York, Köln: E.J. Brill
^Starostin, Sergei,Dybo, Anna,Mudrak, Oleg (2003) “*ut-”, inEtymological dictionary of the Altaic languages (Handbuch der Orientalistik; VIII.8)[2], Leiden, New York, Köln: E.J. Brill