Mehring, F. (1966). Karl Marx: The story of his life. George Allen and Unwin Ltd.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMehring, Franz. Karl Marx: The Story of His Life. George Allen and Unwin Ltd, 1966.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMehring, Franz. Karl Marx: The Story of His Life. George Allen and Unwin Ltd, 1966.
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