Gaya APA
hardiyatmo,p, C, H.
(2019).
Mekanika Tanah 1 ed,7
(
Ed.7)
.
Yogyakarta:
Gadjah Mada University Press.
Gaya MLA
hardiyatmo,p, Christady, Hary.
"Mekanika Tanah 1 ed,7".
Ed.7
Yogyakarta:
Gadjah Mada University Press,
2019.
Text.