Fehderau, Harold W. 1966. The origin and development of Kituba (Lingua Franca Kikongo). University Microfilms. (Doctoral dissertation, Cornell University).
@phdthesis{1571_ktu, author = {Fehderau, Harold W.}, publisher = {University Microfilms}, school = {Cornell University}, title = {The origin and development of Kituba (Lingua Franca Kikongo)}, year = {1966} }