Wieczynski, J. L. (1987). Zemstvo Agricultural Policy - Zyriane. Supplement. Abakan - Archives in the Soviet Union. Acad. Int. Press.
Lua i Stíl Chicago (17ú heag.)Wieczynski, Joseph L. Zemstvo Agricultural Policy - Zyriane. Supplement. Abakan - Archives in the Soviet Union. Gulf Breeze: Acad. Int. Press, 1987.
Lua MLA (8ú heag.)Wieczynski, Joseph L. Zemstvo Agricultural Policy - Zyriane. Supplement. Abakan - Archives in the Soviet Union. Acad. Int. Press, 1987.
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