Bender, M. Lionel. 1971. The languages of Ethiopia: A new lexicostatistic classification and some problems of diffusion. Anthropological Linguistics 13. 165-288.; Leslau, Wolf. 1997. Ethiopic documents: Argobba. Grammar and dictinoary. Wiesbaden: Harrassowitz Verlag.
@misc{409, author = {Bender, M. Lionel}, title = {The languages of Ethiopia: A new lexicostatistic classification and some problems of diffusion. Anthropological Linguistics 13. 165-288.; Leslau, Wolf. 1997. Ethiopic documents: Argobba. Grammar and dictinoary. Wiesbaden: Harrassowitz Verlag.}, year = {1971} }