Michael E. Krauss: Alaska Native Languages: Past, Present, and Future. Fairbanks: Alaska Native Language Center, 1980, s. 36. ISBN 0-933769-34-2. OCLC7001665. (ang.).
James Kari: Ahtna Athabaskan dictionary. Alaska Native Language Center, University of Alaska, Fairbanks, 1990. ISBN 1-55500-033-9. OCLC20992964. (ang.). Brak numerów stron w książce