Gaya APA

Hardiyatmo, H, C. (2012). Mekanika Tanah 1 (Cet. 1/Ed. 6). Yogyakarta: Gajah Mada University Press.

Gaya MLA

Hardiyatmo, Hary, Christady. "Mekanika Tanah 1". Cet. 1/Ed. 6 Yogyakarta: Gajah Mada University Press, 2012. Text.