Gaya APA
Hardiyat,o, H, C.
(2020).
PERBAIKAN TANAH
.
:
Gadjah Mada University Press.
Gaya MLA
Hardiyat,o, Hary, Cristady.
"PERBAIKAN TANAH".
:
Gadjah Mada University Press,
2020.
Text Book Sipil.