Gaya APA
Hardiyatmo, H, C.
(2018).
MEKANIKA TANAH 2
(
6)
.
Yogyakarta:
GADJAH MADA UIVERSITY RESS.
Gaya MLA
Hardiyatmo, Hary, Christady.
"MEKANIKA TANAH 2".
6
Yogyakarta:
GADJAH MADA UIVERSITY RESS,
2018.
Text.