Gaya APA

Hardiyatmo, H, C. (2012). Mekanika tanah 1 (ed. 6 / cet. 1). Yogyakarta: Gadjah Mada University Press.

Gaya MLA

Hardiyatmo, Hary, Christady. "Mekanika tanah 1". ed. 6 / cet. 1 Yogyakarta: Gadjah Mada University Press, 2012. Text.