एपीए उद्धरण

Das, B. M. (2004). Principles of foundation Engineering. Pacific Grove, CA: Brooks/Cole.

शिकागो स्टाइल उद्धरण

Das, Braja M. Principles of Foundation Engineering. Pacific Grove, CA: Brooks/Cole, 2004.

एमएलए उद्धरण

Das, Braja M. Principles of Foundation Engineering. Pacific Grove, CA: Brooks/Cole, 2004.