ダハロ語
“South Cushitic links to East Cushitic”. In Zaborski, Andrzej. New Data and New Methods in Afroasiatic Linguistics
↑ Ten Raa, E. (1969). "Sanye and Sandawe: A common substratum?" African Language Review 8, 148–155.
↑ Sands, Bonny & Tom Güldemann (2009). "What click languages can and can't tell us about language origins". In Botha, Rudolf & Chris Knight (Eds.), The Cradle of Language, pp. 213–15. Oxford.