"Ulyanovsky, R. (1974). Socialism and the newly independent nations. Progres publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र"Ulyanovsky, R". Socialism and the Newly Independent Nations. Progres publishers, 1974.
एमएलए (9वां संस्करण) प्रशस्ति पत्र"Ulyanovsky, R". Socialism and the Newly Independent Nations. Progres publishers, 1974.
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