Santandrea, Stefano. 1976. The Kresh Group, Aja and Baka Languages (Sudan): a linguistic introduction. Napoli: Instituto Universitario Orientale.
@book{sinnemakizeromarking-Santandrea1976, address = {Napoli}, author = {Santandrea, Stefano}, publisher = {Instituto Universitario Orientale}, title = {The Kresh Group, Aja and Baka Languages (Sudan): a linguistic introduction}, year = {1976} }