Pounds, N. J. (1966). Europe and the Soviet Union (2nd ed.). McGraw-Hill.
Cita Chicago (17th ed.)Pounds, Norman J.G. Europe and the Soviet Union. 2nd ed. New York: McGraw-Hill, 1966.
Cita MLA (9th ed.)Pounds, Norman J.G. Europe and the Soviet Union. 2nd ed. McGraw-Hill, 1966.
Atenció: Aquestes cites poden no estar 100% correctes.