Lewis, Paul M. 2009. Ethnologue: Languages of the World. Dallas: SIL International. (16th ed.)
@book{817,
address = {Dallas},
author = {Lewis, Paul M.},
booktitle = {Ethnologue: Languages of the World},
key = {Lewis 2009},
note = {16th ed.},
publisher = {SIL International},
title = {Ethnologue: Languages of the World},
type = {Bibliographical record},
year = {2009}
}