Gaya APA
Hardiyanto, H, K.
(2019).
Mekanika Tanah 2
(
ed.keenam)
.
Yogyakarta:
Gadjah Mada University Press.
Gaya MLA
Hardiyanto, Hary, Kristady.
"Mekanika Tanah 2".
ed.keenam
Yogyakarta:
Gadjah Mada University Press,
2019.
.