Das, B. M. (1985). Principles of geotechnical engineering. PWS -kent.
Chicagoスタイル(17版)引用形式Das, Braja M. Principles of Geotechnical Engineering. Boston Mass: PWS -kent, 1985.
MLA(9版)引用形式Das, Braja M. Principles of Geotechnical Engineering. PWS -kent, 1985.
警告: この引用は必ずしも正確ではありません.