Allan, Edward J. 1976. Kullo. In Bender, M. L. (ed.), The Non-Semitic Languages of Ethiopia, 324–350. East Lansing: African Studies Center, Michigan State University.
@incollection{allan1976a, address = {East Lansing}, author = {Allan, Edward J.}, booktitle = {The Non-Semitic Languages of Ethiopia}, editor = {Bender, M. L.}, pages = {324–350}, publisher = {African Studies Center, Michigan State University}, title = {Kullo}, year = {1976} }