Gaya APA
Hardiyanto, H, C.
(2006).
Penanganan Tanah Longsor & Erosi
(
Ed. 1)
.
Yogyakarta:
Gadjah Mada University Press.
Gaya MLA
Hardiyanto, Hary, Cristady.
"Penanganan Tanah Longsor & Erosi".
Ed. 1
Yogyakarta:
Gadjah Mada University Press,
2006.
.