Williams, R. C. (1986). The Other Bolsheviks: Lenin and His Critics, 1904-1914. Indiana University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWilliams, Robert C. The Other Bolsheviks: Lenin and His Critics, 1904-1914. Indiana University Press, 1986.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWilliams, Robert C. The Other Bolsheviks: Lenin and His Critics, 1904-1914. Indiana University Press, 1986.
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