Stephen R Chapman. (1976). Crop production: Principles and practices. San Francisco: W.H.Freeman and Company.
シカゴスタイル引用形Stephen R Chapman. Crop Production: Principles and Practices. San Francisco: W.H.Freeman and Company, 1976.
MLA引用形式Stephen R Chapman. Crop Production: Principles and Practices. San Francisco: W.H.Freeman and Company, 1976.
警告: この引用は必ずしも正確ではありません.