Medvedev, R. A., & Chiesa, G. (1991). Time of change: An insider's view of Russia's transformation (1st American ed.). I.B. Tauris &co Ltd.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMedvedev, Roy Aleksandrovich, और Giulietto Chiesa. Time of Change: An Insider's View of Russia's Transformation. 1st American ed. New York: I.B. Tauris &co Ltd, 1991.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMedvedev, Roy Aleksandrovich, और Giulietto Chiesa. Time of Change: An Insider's View of Russia's Transformation. 1st American ed. I.B. Tauris &co Ltd, 1991.
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