Otsuki, M. (1961). Japanese agriculture and the direction of its development. The National Research Institute of Agriculture.
Chicago-referens (17:e uppl.)Otsuki, Masao. Japanese Agriculture and the Direction of Its Development. Tokyo: The National Research Institute of Agriculture, 1961.
MLA-referens (9:e uppl.)Otsuki, Masao. Japanese Agriculture and the Direction of Its Development. The National Research Institute of Agriculture, 1961.
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