APA (7th ed.) Zitazioa
Varghese, P. (2005). Foundation engineering. Prentice-Hall.
Chicago Style (17th ed.) Zitazioa
Varghese, P.C. Foundation Engineering. New Delhi: Prentice-Hall, 2005.
MLA (9th ed.) Zitazioa
Varghese, P.C. Foundation Engineering. Prentice-Hall, 2005.
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