International Rice Research Institute. (1990). 21st meeting of the Asian rice farming systems working group meeting. Thailand: Deparment of agriculture.
シカゴスタイル引用形International Rice Research Institute. 21st Meeting of the Asian Rice Farming Systems Working Group Meeting. Thailand: Deparment of agriculture, 1990.
MLA引用形式International Rice Research Institute. 21st Meeting of the Asian Rice Farming Systems Working Group Meeting. Thailand: Deparment of agriculture, 1990.
警告: この引用は必ずしも正確ではありません.