Alaskan Native Language Center. Alaskan Native Language Center website: http://www.uaf.edu/anlc/ (accessed July 24, 2005).
Gordon, Raymond G., Jr. (Ed.). (2005). ''Ethnologue: Languages of the world'' (15th ed.). Dallas, TX: SIL International. ISBN 1-55671-159-X. (Online version: http://www.ethnologue.com).