Sakwa, R. (1991). Gorbachev and his reforms, 1985-1990. Prentice Hall.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSakwa, Richard. Gorbachev and His Reforms, 1985-1990. New York: Prentice Hall, 1991.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSakwa, Richard. Gorbachev and His Reforms, 1985-1990. Prentice Hall, 1991.
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