Gaya APA
Hardiyatmo, H, C.
(2020).
Perbaikan Tanah
.
Yogyakarta:
Gajah Mada University Press.
Gaya MLA
Hardiyatmo, Hary, Christady.
"Perbaikan Tanah".
Yogyakarta:
Gajah Mada University Press,
2020.
Teks.