Gaya APA

Cristady, H. (2007). Mekanika Tanah 2 (4 cet.1). Yogyakarta, DIY: Gajah Mada Univ Press.

Gaya MLA

Cristady, HARDIYATMO,Hary. "Mekanika Tanah 2". 4 cet.1 Yogyakarta, DIY: Gajah Mada Univ Press, 2007. Text.