WARD, W. (1968). Government in West Africa. Allen & Unwin.
Cita Chicago (17th ed.)WARD, W.E.F. Government in West Africa. London: Allen & Unwin, 1968.
Cita MLA (9th ed.)WARD, W.E.F. Government in West Africa. Allen & Unwin, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.