Blum, J. (1972). Lord and peasant in Russia: From the ninth to the nineteenth century. Princeton University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBlum, Jerome. Lord and Peasant in Russia: From the Ninth to the Nineteenth Century. Princeton University Press, 1972.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBlum, Jerome. Lord and Peasant in Russia: From the Ninth to the Nineteenth Century. Princeton University Press, 1972.
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