Cita APA (7th ed.)
Das, B. M. (2007). Principles of foundation engineering: Adapted international student edition (6th ed.). Thomson.
Cita Chicago (17th ed.)
Das, Braja M. Principles of Foundation Engineering: Adapted International Student Edition. 6th ed. Singapore: Thomson, 2007.
Cita MLA (9th ed.)
Das, Braja M. Principles of Foundation Engineering: Adapted International Student Edition. 6th ed. Thomson, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.