Gaya APA
Hardiyatmo, H, C.
(2019).
Mekanika Tanah 2
(
6)
.
Yogyakarta:
Gadjah Mada University Press.
Gaya MLA
Hardiyatmo, Hary, Christady.
"Mekanika Tanah 2".
6
Yogyakarta:
Gadjah Mada University Press,
2019.
Text.