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Dyfyniad Arddull ChicagoUngar, Sanford J. Africa: The People and Politics of an American Continent. New York: Simon and Schuster, 1985.
Dyfyniad MLAUngar, Sanford J. Africa: The People and Politics of an American Continent. Simon and Schuster, 1985.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.