Wieczynski, J. L. (1987). Zemstvo Agricultural Policy - Zyriane. Supplement. Abakan - Archives in the Soviet Union. Acad. Int. Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWieczynski, Joseph L. Zemstvo Agricultural Policy - Zyriane. Supplement. Abakan - Archives in the Soviet Union. Gulf Breeze: Acad. Int. Press, 1987.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWieczynski, Joseph L. Zemstvo Agricultural Policy - Zyriane. Supplement. Abakan - Archives in the Soviet Union. Acad. Int. Press, 1987.
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