Gaya APA

Hardiyatmo, H, C. (2017). Mekanika Tanah I Soal & Penyelesaian (Cet.1). 2017b: Gadjah Mada Universty Press.

Gaya MLA

Hardiyatmo, Hary, Christandy. "Mekanika Tanah I Soal & Penyelesaian". Cet.1 2017b: Gadjah Mada Universty Press, 2017. Text.