Del CorroAnicia. 2000. Language Endangerment and Bible Translation. Paper presented at the UBS Triennial Translation Workshop. Malaga, Spain. June 18–30.
2.
GrimesBarbara F., ed. 1992. Ethnologue: Languages of the World.12th ed.Dallas, Tex.: Summer Institute of Linguistics.
3.
KraussMichael. 1992. The World's Languages in Crisis. Language68. 1:4–10.
4.
National Statistics Office. 2002. Highlights of the 2000 Census of Population and Housing.Manila: National Statistics Office.