LEWIS, W. A. (1965). Politics in West Africa. Allen & Unwin.
Chicago Style (17th ed.) ZitazioaLEWIS, W. Arthur. Politics in West Africa. London: Allen & Unwin, 1965.
MLA (9th ed.) ZitazioaLEWIS, W. Arthur. Politics in West Africa. Allen & Unwin, 1965.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.