Gaya APA

Hardiyatmo, H, C. (2019). Mekanika Tanah 1 (Revisi). Yogyakarta: Gadjah Mada University Pre.

Gaya MLA

Hardiyatmo, Hary, Christady. "Mekanika Tanah 1". Revisi Yogyakarta: Gadjah Mada University Pre, 2019. Text.