Das, B. M. (2010). Principles of geotechnical engineering. Mason, OH: Cengage Learning.
Trích dẫn kiểu ChicagoDas, Braja M. Principles of Geotechnical Engineering. Mason, OH: Cengage Learning, 2010.
Deismireacht MLADas, Braja M. Principles of Geotechnical Engineering. Mason, OH: Cengage Learning, 2010.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.