Gaya APA
Hardiyatmo, H, C.
(2017).
Mekanika Tanah 1 edisi 7
(
7)
.
YOGYAKARTA:
GADJAH MADA UNIVERSITY PRESS.
Gaya MLA
Hardiyatmo, Hary, Cristady.
"Mekanika Tanah 1 edisi 7".
7
YOGYAKARTA:
GADJAH MADA UNIVERSITY PRESS,
2017.
Text.