Não informado. Problems of the Peoples of the USSR. League for the Libertation of the Peoples of the USSR.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Problems of the Peoples of the USSR. Munich, Alemanha: League for the Libertation of the Peoples of the USSR.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Problems of the Peoples of the USSR. League for the Libertation of the Peoples of the USSR.
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