Bibliography

Bibliography of Vitality:
Moseley, Christopher (ed.). 2010. Atlas of the World’s Languages in Danger, 3rd edn. http://www.unesco.org/culture/en/endangeredlanguages/atlas. (03 June, 2011.)
Bibliography of Locations:
2005. "The World Atlas of Language Structures." edited by Bernard Comrie et al. Oxford University Press.
Bibliography of Context:
Crevels, Mily. 2007. "South America." In Atlas of the World's Endangered Languages, edited by C. Moseley. 103-196. London & New York: Routledge.