Andreev, I. A. 1966. Chuvashskij jazyk. In Baskakov, N. A. (ed.), Jazyki narodov SSSR. Volume 2: Tjurkskie jazyki, 43–65. Moscow: Nauka.
@incollection{andreev1966,
address = {Moscow},
author = {Andreev, I. A.},
booktitle = {Jazyki narodov SSSR. Volume 2: Tjurkskie jazyki},
editor = {Baskakov, N. A.},
pages = {43–65},
publisher = {Nauka},
title = {Chuvashskij jazyk},
year = {1966}
}