general editors, J.F. Ade Ajayi & Michael Crowder ; geographical editor, Paul Richards ; linguistic editor, Elizabeth Dunstan, cartographic designer, Alick NewmanCambridge University Press1985
general editors, J.F. Ade Ajayi & Michael Crowder ; geographical editor, Paul Richards ; linguistic editor, Elizabeth Dunstan ; cartographic designer, Alick NewmanLongman1985