Gaya APA
Hardiyatmo, H, C.
(2017).
Mekanika tanah I Edisi. 7
(
Cet. 1)
.
Yogyakarta:
Gajah Mada University Press.
Gaya MLA
Hardiyatmo, Hary, Christady.
"Mekanika tanah I Edisi. 7".
Cet. 1
Yogyakarta:
Gajah Mada University Press,
2017.
BUKU TEKS.