Das, B. M. (2013). Fundamentals of geotechnical engineering. Stamford, CT: Cengage Learning.
Chicago Style aipamenaDas, Braja M. Fundamentals of Geotechnical Engineering. Stamford, CT: Cengage Learning, 2013.
MLA aipamenaDas, Braja M. Fundamentals of Geotechnical Engineering. Stamford, CT: Cengage Learning, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.