Gaya APA

Hardiyatmo, H, C. (2012). Mekanika Tanah 1 (Ed.7). Yogyakarta: Gadjah Mada University Press.

Gaya MLA

Hardiyatmo, Hary, Christady. "Mekanika Tanah 1". Ed.7 Yogyakarta: Gadjah Mada University Press, 2012. Text.