Gaya APA
Harditatmo, H, C.
(2019).
Mekanika Tanah 1
(
Ed. 7, Cet. 7)
.
Yogyakarta:
Gadjah Mada University Press.
Gaya MLA
Harditatmo, Hary, Christady.
"Mekanika Tanah 1".
Ed. 7, Cet. 7
Yogyakarta:
Gadjah Mada University Press,
2019.
Teks.