Ittmann, Johannes. 1978. Grammaire du duala. Douala: Le Collège Libermann. (Translated by L.A. Boumard.)
@book{Ittmann-1978, address = {Douala}, author = {Ittmann, Johannes}, note = {Translated by L.A. Boumard.}, publisher = {Le Collège Libermann}, title = {Grammaire du duala}, year = {1978}, iso_code = {dua}, olac_field = {typology; syntax; general_linguistics}, wals_code = {dua} }