Padron:Ethnologue15
Gordon, Raymond G.; Barbara F. Grimes, mga pat. (2005). Ethnologue: Languages of the World (ika-15th (na) edisyon). Dallas, Texas: SIL International.{{cite book}}: CS1 maint: date auto-translated (link)
Gordon, Raymond G.; Barbara F. Grimes, mga pat. (2005). Ethnologue: Languages of the World (ika-15th (na) edisyon). Dallas, Texas: SIL International.{{cite book}}: CS1 maint: date auto-translated (link)