Vall, M. N. and Kanakin, I. A. 1988. Kategorrii glagola v ketskom jazyke. Novosibirsk: Nauka, Sibirskoe otdelenie.
@book{Vall-and-Kanakin-1988, address = {Novosibirsk}, author = {Vall, M. N. and Kanakin, I. A.}, publisher = {Nauka, Sibirskoe otdelenie}, title = {Kategorrii glagola v ketskom jazyke}, year = {1988}, iso_code = {ket}, olac_field = {syntax; general_linguistics; typology}, wals_code = {ket} }