Eberhard, David M., Gary F. Simons & Charles D. Fennig (eds.) 2023. Ethnologue: Languages of the World. Twenty-sixth edition. Dallas, Texas: SIL International.
@book{ethnologue, address = {Dallas, Texas}, editor = {Eberhard, David M. and Gary F. Simons and Charles D. Fennig}, publisher = {SIL International}, title = {Ethnologue: Languages of the World. Twenty-sixth edition}, url = {http://www.ethnologue.com}, year = {2023} }