Cita APA (7th ed.)

DAS, B. M. (2007). Principles of foundation engineering, SI. Cengage Learning.

Cita Chicago (17th ed.)

DAS, Braja M. Principles of Foundation Engineering, SI. Cengage Learning, 2007.

Cita MLA (9th ed.)

DAS, Braja M. Principles of Foundation Engineering, SI. Cengage Learning, 2007.

Atenció: Aquestes cites poden no estar 100% correctes.