Nakai
[别称 Na’ai, Nagai, Na’i]语系:Trans-New Guinea
·濒危
语系:Trans-New Guinea
·濒危
Ethnologue: Languages of the World, 18th Edition . (2015) · edited by Lewis, M. Paul, Gary F. Simons, and Charles D. Fennig · SIL International http://www.ethnologue.com
Upper Digul Survey . Hughes, Jock (2009) ·
Glottolog 2.3 . Hammarström, Harald & Forkel, Robert & Haspelmath, Martin & Nordhoff, Sebastian (2014) · http://glottolog.org