आकृति:Ethnologue18
Lewis, M. Paul, Gary F. Simons, & Charles D. Fennig, सं (2015). Ethnologue: Languages of the World (18th संस्करण). Dallas, Texas: SIL International. http://www.ethnologue.com/18/.
Lewis, M. Paul, Gary F. Simons, & Charles D. Fennig, सं (2015). Ethnologue: Languages of the World (18th संस्करण). Dallas, Texas: SIL International. http://www.ethnologue.com/18/.