RÉDEI, K.; RÓNA-TAS, A. Proto-Permian and Votyak loan-words in Chuvash. Studia Uralo-altaica, [S. l.], v. 17, p. 158–179, 1982. Disponível em: https://ojs.bibl.u-szeged.hu/index.php/stualtaica/article/view/13521. Acesso em: 21 may. 2024.