Gaya APA
HARDIYATMO, H, C.
(2007).
Mekanika Tanah 2
(
Ed.4)
.
Yogyakarta:
Gadjah Mada University Press.
Gaya MLA
HARDIYATMO, Hary, Christady.
"Mekanika Tanah 2 ".
Ed.4
Yogyakarta:
Gadjah Mada University Press,
2007.
Buku.