Roberts, J. (1996). Understanding soil mechanics. Albany, N.Y.: Delmar.
シカゴスタイル引用形Roberts, Jack. Understanding Soil Mechanics. Albany, N.Y.: Delmar, 1996.
MLA引用形式Roberts, Jack. Understanding Soil Mechanics. Albany, N.Y.: Delmar, 1996.
警告: この引用は必ずしも正確ではありません.