Gaya APA

Hardiyatmo, H, C. (2014). Mekanika Tanah 2 . Yogyakarta: Gadjah Mada UniversityPress.

Gaya MLA

Hardiyatmo, Hary, Christady. "Mekanika Tanah 2". Yogyakarta: Gadjah Mada UniversityPress, 2014. Text.