Gaya APA

Hardiyatmo, H, C. (2017). Mekanika Tanah 1 (-). Yogyakarta: Gadjah Mada University Press.

Gaya MLA

Hardiyatmo, Hary, Chritady. "Mekanika Tanah 1". - Yogyakarta: Gadjah Mada University Press, 2017. Text.