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