Gaya APA
Hardiyatmo, H, C.
(2014).
Mekanika Tanah Jilid.2 Ed.6
.
Yogyakarta:
Gadjah Mada Univerity Press.
Gaya MLA
Hardiyatmo, Hary, Christady.
"Mekanika Tanah Jilid.2 Ed.6".
Yogyakarta:
Gadjah Mada Univerity Press,
2014.
Text.