Santandrea, Stefano. 1963. A Concise Grammar outline of the Bongo Language (Sudan, Bahr el Ghazal province). Roma: Sodality of St. Peter Claver. 151pp.
@book{sSantandreaBongo, address = {Roma}, author = {Santandrea, Stefano}, pages = {151}, publisher = {Roma: Sodality of St. Peter Claver}, title = {A Concise Grammar outline of the Bongo Language (Sudan, Bahr el Ghazal province)}, year = {1963} }