信息不完整 “"Documentation of the Mayoruna languages of western Amazonia: A compilation of recordings of oral history narratives and other speech genres" HRELP Abstract” . Fleck, David (2010)

信息不完整 “Language endangerment in South America: The clock is ticking” (167-234) . Crevels, Mily (2012) , Lyle Campbell and Veronica Grondona · Mouton de Gruyter

信息不完整 “Atlas of the World’s Languages in Danger” . Christopher Moseley (ed.) (2010) UNESCO Publishing

信息不完整 “Ethnologue: Languages of the World, 16th Edition (2009)” . M. Paul Lewis · SIL International