"Singer, D. (1981). The road to Gdansk: Poland and the USSR. Monthly Review Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र"Singer, Daniel". The Road to Gdansk: Poland and the USSR. Monthly Review Press, 1981.
एमएलए (9वां संस्करण) प्रशस्ति पत्र"Singer, Daniel". The Road to Gdansk: Poland and the USSR. Monthly Review Press, 1981.
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