APA Style

Hardiyantmo, H, C. (2018). Mekanika Tanah 1 (Ed.7). Yogyakarta: Gadjah Mada University.

MLA Style

Hardiyantmo, Hary, Cristady. "Mekanika Tanah 1". Ed.7 Yogyakarta: Gadjah Mada University, 2018. Text.