Gaya APA

Hardiyatmo, H, C. (2014). Mekanika tanah 2 (kelima). Yogyakarta: Gadjah Mada University Press.

Gaya MLA

Hardiyatmo, Hary, Christady. "Mekanika tanah 2". kelima Yogyakarta: Gadjah Mada University Press, 2014. Text.