Das, B. M. (1999). Principles of foundation engineering (4th ed.). PWS Pub.
芝加哥风格引文Das, Braja M. Principles of Foundation Engineering. 4th ed. Pacific Grove, Calif: PWS Pub, 1999.
MLA引文Das, Braja M. Principles of Foundation Engineering. 4th ed. PWS Pub, 1999.
警告：这些引文格式不一定是100％准确.