Kropff, M. J. (1993). Modelling crop-weed interactions. Manila: International rice research institute.
シカゴスタイル引用形Kropff, M. J. Modelling Crop-weed Interactions. Manila: International rice research institute, 1993.
MLA引用形式Kropff, M. J. Modelling Crop-weed Interactions. Manila: International rice research institute, 1993.
警告: この引用は必ずしも正確ではありません.