Donahue, R. L. (1961). Our soils and their management. Asia Publishing House.
シカゴスタイル引用形Donahue, Roy L. Our Soils and Their Management. Bombay: Asia Publishing House, 1961.
MLA引用形式Donahue, Roy L. Our Soils and Their Management. Asia Publishing House, 1961.
警告: この引用は必ずしも正確ではありません.