Ericson, R. E. (1990). The Soviet Union, 1979-1990. ICS Press.
Chicago Style aipamenaEricson, Richard Eric. The Soviet Union, 1979-1990. San Francisco, Calif.: ICS Press, 1990.
MLA aipamenaEricson, Richard Eric. The Soviet Union, 1979-1990. ICS Press, 1990.
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