APA Style
Hardiyatmo, H, C.
(2007).
Mekanika Tanah 2
(
4)
.
Yogyakarta:
Rorabaugh,C.Britton.
MLA Style
Hardiyatmo, Hary, Christady.
"Mekanika Tanah 2".
4
Yogyakarta:
Rorabaugh,C.Britton,
2007.
Text.