Gaya APA
Hardiyatmo, H, C.
(2018).
Mekanika tanah 2 Edisi Keenam
.
:
Gadjah Mada University Press.
Gaya MLA
Hardiyatmo, Hary, Christady.
"Mekanika tanah 2 Edisi Keenam".
:
Gadjah Mada University Press,
2018.
Text.