Gaya APA

Hardiyatmo, H, C. (2012). Mekanika tanah 1 Edisi Keenam (Ed.Ke-6, Cet.1). Yogyakarta: Gadjah Mada University Press.

Gaya MLA

Hardiyatmo, Hary, Christady. "Mekanika tanah 1 Edisi Keenam". Ed.Ke-6, Cet.1 Yogyakarta: Gadjah Mada University Press, 2012. Textbook.