APA Style
Christady, H, H.
(2018).
Mekanika Tanah 1
.
Yogyakarta ; Indonesia:
Gadjah Mada University Press.
MLA Style
Christady, Hardiyatmo., Hary.
"Mekanika Tanah 1".
Yogyakarta ; Indonesia:
Gadjah Mada University Press,
2018.
Textbook.