Barnouw, Victor
The Dorsey Press, 1975
Buku Teks
Bunin, Ivan
Foreign Languages Publishing House, [Date of publication not identified]
Koleksi Publik
Frindland, L
Foreign Languages Publishing House, 1956
Buku Teks SO
the National Museum of Ethnology, 1991
Buku Referensi
Barnouw, Victor
Dorsey Press, 1975
Buku Teks SO