RAJ,P.P. (2009). SOIL MECHANICS AND FOUNDATION ENGINEERING. PEARSON.
Chicago Style aipamenaRAJ,P.P. SOIL MECHANICS AND FOUNDATION ENGINEERING. NEW DELHI: PEARSON, 2009.
MLA aipamenaRAJ,P.P. SOIL MECHANICS AND FOUNDATION ENGINEERING. PEARSON, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.