Gaya APA
HARDIYATMO, H, C.
(2018).
MEKANIKA TANAH 2
.
Yogyakarta:
GADJAH MADA UNIVERSITY PRESS.
Gaya MLA
HARDIYATMO, HARY, CHRISTADY.
"MEKANIKA TANAH 2".
Yogyakarta:
GADJAH MADA UNIVERSITY PRESS,
2018.
Text.