Lewis (eds.) 2009

Lewis, M. Paul (ed.) 2009. Ethnologue: Languages of the World. 16th edn. Dallas, TX: SIL International.

http://www.ethnologue.com/

@book{sinnemakizeromarking-Lewis2009,
  address   = {Dallas, TX},
  edition   = {16},
  editor    = {Lewis, M. Paul},
  publisher = {SIL International},
  title     = {Ethnologue: Languages of the World},
  url       = {http://www.ethnologue.com/},
  year      = {2009}
}