Gaya APA

HARDIYANTO, H, C. (2012). MEKANIKA TANAH 1 (Cetakan IV). YOGYAKARTA: GADJAH MADA UNIVERSITY PRESS.

Gaya MLA

HARDIYANTO, HARY, CHRISTADY. "MEKANIKA TANAH 1". Cetakan IV YOGYAKARTA: GADJAH MADA UNIVERSITY PRESS, 2012. Text.