ଛାଞ୍ଚ:Ethnologue18

(ଛାଞ୍ଚ:E18ରୁ ଲେଉଟି ଆସିଛି)

Lewis, M. Paul; Gary F. Simons; Charles D. Fennig, eds. (2015). Ethnologue: Languages of the World (18th ed.). Dallas, Texas: SIL International.