ムーラ語
Campbell, Lyle. (1997). American Indian languages: The historical linguistics of Native America. New York: Oxford University Press. ISBN 0-19-509427-1.
Kaufman, Terrence. (1994). The native languages of South America. In C. Mosley & R. E. Asher (Eds.), Atlas of the world's languages (pp. 46–76). London: Routledge.
Curt Nimuendajú (1948): "The Mura" and "The Yahahi", in Handbook of South American Indians, Volume 3:The Tropical Forest Tribes, ed. Julian H. Steward, pp. 255–269.