Gaya APA

Hardiyatmo, H, C. (2012). (TEKNIK SIPIL 6) Mekanika Tanah 1 (6). Yogyakarta: Gadjah Mada University Press.

Gaya MLA

Hardiyatmo, Hary, Christady. "(TEKNIK SIPIL 6) Mekanika Tanah 1". 6 Yogyakarta: Gadjah Mada University Press, 2012. TEXT.