APA (7th ed.) Zitazioa
Das, B. M., & Sobahan Khaled. (2014). Principles of geotechnical engineering (8th ed.). New Delhi.
Chicago Style (17th ed.) Zitazioa
Das, Braja M., eta Sobahan Khaled. Principles of Geotechnical Engineering. 8th ed. Cengage Learning India Pvt Ltd,: New Delhi, 2014.
MLA (9th ed.) Zitazioa
Das, Braja M., eta Sobahan Khaled. Principles of Geotechnical Engineering. 8th ed. New Delhi, 2014.
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