"Howard, D. (1971). Selected political writings of Rosa Luxemburg. Monthly review press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र"Howard, Dick. Selected Political Writings of Rosa Luxemburg. Monthly review press, 1971.
एमएलए (9वां संस्करण) प्रशस्ति पत्र"Howard, Dick. Selected Political Writings of Rosa Luxemburg. Monthly review press, 1971.
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