ケット語
Vajda, Edward (2008). A Siberian Link with Na-Dene Languages.
Dene-Yeniseic Symposium, Alaska Native Language Center, University of Alaska, Fairbanks.
↑ Hammarström, Harald; Forkel, Robert; Haspelmath, Martin et al., eds (2016). “Ket”. Glottolog 2.7. Jena: Max Planck Institute for the Science of Human History. http://glottolog.org/resource/languoid/id/kett1243
↑ Vajda, Edward J. (2004). Ket. Languages of the World (Munich: Lincom Europa). ISBN 3-89586-221-5.