Gaya APA
Hardiatmo, H, C.
(2018).
Mekanika Tanah 2
(
6)
.
Yogyakarta:
Gadjah Mada University Press.
Gaya MLA
Hardiatmo, Hary, Christiady.
"Mekanika Tanah 2".
6
Yogyakarta:
Gadjah Mada University Press,
2018.
Text.