Gaya APA

Hardiyatmo, H, C. (2019). Mekanika tanah 1 (Ed. 7, Cet.3). Yogyakarta: Gadjah Mada University Press (UGM Press).

Gaya MLA

Hardiyatmo, Hary, Christiady. "Mekanika tanah 1". Ed. 7, Cet.3 Yogyakarta: Gadjah Mada University Press (UGM Press), 2019. TEXT.