Ericson, R. E. (1990). The Soviet Union, 1979-1990. ICS Press.
Cita Chicago (17th ed.)Ericson, Richard Eric. The Soviet Union, 1979-1990. San Francisco, Calif.: ICS Press, 1990.
Cita MLA (8th ed.)Ericson, Richard Eric. The Soviet Union, 1979-1990. ICS Press, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.