Format:Ethnologue18
Lewis, M. Paul, Gary F. Simons, & Charles D. Fennig, ed. (). Ethnologue: Languages of the World (ed. 18th). Dallas, Texas: SIL International.
Lewis, M. Paul, Gary F. Simons, & Charles D. Fennig, ed. (). Ethnologue: Languages of the World (ed. 18th). Dallas, Texas: SIL International. Mentenanță CS1: Utilizează parametrul editori (link)