Lewis, M. Paul, Gary F. Simons & Charles D. Fennig (eds.) 2016. Ethnologue: Languages of the World, Nineteenth edition. Online version edn. Dallas, Texas: SIL International. (00000).
@book{lewisethnologue2016,
address = {Dallas, Texas},
edition = {Online version},
editor = {Lewis, M. Paul and Simons, Gary F. and Fennig, Charles D.},
note = {00000},
publisher = {SIL International},
title = {Ethnologue: Languages of the World, Nineteenth edition},
url = {http://www.ethnologue.com},
year = {2016}
}