Boer, H. d. (1998). Coffee cultivation in the watershed of the river Aranjuez.
シカゴスタイル引用形Boer, H. den. Coffee Cultivation in the Watershed of the River Aranjuez. 1998.
MLA引用形式Boer, H. den. Coffee Cultivation in the Watershed of the River Aranjuez. 1998.
警告: この引用は必ずしも正確ではありません.