ଛାଞ୍ଚ:Ethnologue20
Simons, Gary F; Fennig, Charles D, eds. (2017). Ethnologue: Languages of the World (20th ed.). Dallas, Texas: SIL International.
Simons, Gary F; Fennig, Charles D, eds. (2017). Ethnologue: Languages of the World (20th ed.). Dallas, Texas: SIL International.