एपीए उद्धरण

Das, B. M. (2004). Principles of foundation engineering. Thomson.

शिकागो स्टाइल उद्धरण

Das, Brinja M. Principles of Foundation Engineering. Australia: Thomson, 2004.

एमएलए उद्धरण

Das, Brinja M. Principles of Foundation Engineering. Thomson, 2004.