APA (7th ed.) Zitazioa
Das, B. M. (2007). Theoretical foundation engineering. J. Ross Pub..
Chicago Style (17th ed.) Zitazioa
Das, Braja M. Theoretical Foundation Engineering. Ft. Lauderdale, Fla.: J. Ross Pub., 2007.
MLA (9th ed.) Zitazioa
Das, Braja M. Theoretical Foundation Engineering. J. Ross Pub., 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.