APA Style

HARDIYATMO, H, C. (2018). MEKANIKA TANAH 2 (6). Yogyakarta: GADJAH MADA UNIVERSITY PRESS.

MLA Style

HARDIYATMO, Hary, Christady. "MEKANIKA TANAH 2". 6 Yogyakarta: GADJAH MADA UNIVERSITY PRESS, 2018. Text.