Kumar, L. (1987). The Soviet Union and European security. Radiant Pubs.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKumar, L.C. The Soviet Union and European Security. Radiant Pubs, 1987.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKumar, L.C. The Soviet Union and European Security. Radiant Pubs, 1987.
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