Ungar, S. J. (1985). Africa: The people and politics of an American continent. Simon and Schuster.
Cita Chicago (17th ed.)Ungar, Sanford J. Africa: The People and Politics of an American Continent. New York: Simon and Schuster, 1985.
Cita MLA (9th ed.)Ungar, Sanford J. Africa: The People and Politics of an American Continent. Simon and Schuster, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.