Gaya APA

Evett, C, L, 7, J, B. (1981). Soils and Foundations (cet.1). -: Prentice- Hall. inc..

Gaya MLA

Evett, Cheng, Liu, 7, Jack, B.. "Soils and Foundations". cet.1 -: Prentice- Hall. inc., 1981. Text.