Eberhard, David M., Gary F. Simons & Charles D. Fennig. 2019. Ethnologue: Languages of the World. 22nd edn. Dallas: SIL International.
@book{570886, address = {Dallas}, author = {David M. Eberhard and Gary F. Simons and Charles D. Fennig}, edition = {22}, publisher = {SIL International}, title = {Ethnologue: Languages of the World}, url = {http://www.ethnologue.com}, year = {2019}, hhtype = {overview}, inlg = {English [eng]}, macro_area = {Eurasia}, src = {evobib, hh} }