Gaya APA
Hardiyatmo, H, C.
(2020).
MEKANIKA TANAH 1. Edisi ke 7
(
7)
.
Yogyakarta:
Gadjah Mada University Press.
Gaya MLA
Hardiyatmo, Hary, Christady.
"MEKANIKA TANAH 1. Edisi ke 7".
7
Yogyakarta:
Gadjah Mada University Press,
2020.
Text.