Hieda, Osamu. 1991. Koegu Vocabulary, with a reference to Kara. African Study Monographs, Supplement 14. 1-70.
@article{wHiedaKoegu, author = {Hieda, Osamu}, journal = {African Study Monographs, Supplement}, pages = {1-70}, title = {Koegu Vocabulary, with a reference to Kara}, volume = {14}, year = {1991} }