Gaya APA

Hardiyatmo, H, C. (2017). mekanika tanah 1 (ed.7;cet1). Yogyakarta: Gadjah Mada University Press.

Gaya MLA

Hardiyatmo, Hary, Christady. "mekanika tanah 1". ed.7;cet1 Yogyakarta: Gadjah Mada University Press, 2017. Text.