APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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