Gaya APA
Hardiyatmo, H, C.
(2007).
Mekanika Tanah II edisi IV
(
Edisi IV)
.
Yogyakarta:
Gadja Mada University Press.
Gaya MLA
Hardiyatmo, Hary, Christady.
"Mekanika Tanah II edisi IV".
Edisi IV
Yogyakarta:
Gadja Mada University Press,
2007.
Textbook.