Werf, H. v. d. (1994). Crop physiology of fiber hemp (Cannabis sativa L.).
シカゴスタイル引用形Werf, Hayo van der. Crop Physiology of Fiber Hemp (Cannabis Sativa L.). Nederlands, 1994.
MLA引用形式Werf, Hayo van der. Crop Physiology of Fiber Hemp (Cannabis Sativa L.). 1994.
警告: この引用は必ずしも正確ではありません.