Das, B. M. (1999). Principles of foundation engineering (4th.ed.). PWS.
Chicago Edition CitationDas, Braja M. Principles of Foundation Engineering. 4th.ed. Pacific Grove: PWS, 1999.
Cita MLADas, Braja M. Principles of Foundation Engineering. 4th.ed. PWS, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.