Eberhard, David M.; Simons, Gary F.; Fennig, Charles D., eds. (2019). "Summary by country". اتنولوگ: Languages of the World (22nd ed.). Dallas: SIL International. Archived from the original on 2019-04-28. Retrieved 2019-04-28.
web.archive.org
Eberhard, David M.; Simons, Gary F.; Fennig, Charles D., eds. (2019). "Summary by country". اتنولوگ: Languages of the World (22nd ed.). Dallas: SIL International. Archived from the original on 2019-04-28. Retrieved 2019-04-28.