IRRI. (1990). 1990 supplement Publications of the international agricultural research and development centers. Philippines: IRRI.
シカゴスタイル引用形IRRI. 1990 Supplement Publications of the International Agricultural Research and Development Centers. Philippines: IRRI, 1990.
MLA引用形式IRRI. 1990 Supplement Publications of the International Agricultural Research and Development Centers. Philippines: IRRI, 1990.
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