Ruhlen, Merritt. Uralic-Yukaghir. A Guide to the World's Languages: Classification. Stanford University Press. 1991: 69 [2016-01-01]. ISBN 0-8047-1894-6. (原始内容存档于2016-05-08).
glottolog.org
Hammarström, Harald; Forkel, Robert; Haspelmath, Martin; Bank, Sebastian (编). Finnic. Glottolog 2.7. Jena: Max Planck Institute for the Science of Human History. 2016.
Ruhlen, Merritt. Uralic-Yukaghir. A Guide to the World's Languages: Classification. Stanford University Press. 1991: 69 [2016-01-01]. ISBN 0-8047-1894-6. (原始内容存档于2016-05-08).