Hasegawa, T., & Pravda, A. (1990). Perestroika, Soviet domestic and foreign policies. Royal Institute of International Affairs ; Sage Publications.
Dyfyniad Arddull ChicagoHasegawa, Tsuyoshi, and Alex Pravda. Perestroika, Soviet Domestic and Foreign Policies. London : London ; Newbury Park: Royal Institute of International Affairs ; Sage Publications, 1990.
Dyfyniad MLAHasegawa, Tsuyoshi, and Alex Pravda. Perestroika, Soviet Domestic and Foreign Policies. Royal Institute of International Affairs ; Sage Publications, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.