Hasegawa, T., & Pravda, A. (1990). Perestroika, Soviet domestic and foreign policies. Royal Institute of International Affairs ; Sage Publications.
Chicago-viite (17. p.)Hasegawa, Tsuyoshi, ja Alex Pravda. Perestroika, Soviet Domestic and Foreign Policies. London : London ; Newbury Park: Royal Institute of International Affairs ; Sage Publications, 1990.
MLA-viite (8. p.)Hasegawa, Tsuyoshi, ja Alex Pravda. Perestroika, Soviet Domestic and Foreign Policies. Royal Institute of International Affairs ; Sage Publications, 1990.
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