Cita APA (7th ed.)

Das, B. M. (2007). Principles of geotechnical engineering (6th ed.). Thomson.

Cita Chicago (17th ed.)

Das, Braja M. Principles of Geotechnical Engineering. 6th ed. Australia: Thomson, 2007.

Cita MLA (9th ed.)

Das, Braja M. Principles of Geotechnical Engineering. 6th ed. Thomson, 2007.