Dyfyniad APA
Das, B. M. (2007). Principles of foundation engineering (6th ed.). New Delhi ; Thomson/Brooks/Cole.
Dyfyniad Arddull Chicago
Das, Braja M. Principles of Foundation Engineering. 6th ed. Pacific Grove, CA: New Delhi ; Thomson/Brooks/Cole, 2007.
Dyfyniad MLA
Das, Braja M. Principles of Foundation Engineering. 6th ed. New Delhi ; Thomson/Brooks/Cole, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.