Gaya APA
HARDIYATMO, H, C. (2007).
Pemeliharaan Jalan Raya:Perkerasan Drainase longsoran .
Yogyakarta:
Gadjah Mada University Press.
Gaya MLA
HARDIYATMO, Hary, Christady.
"Pemeliharaan Jalan Raya:Perkerasan Drainase longsoran".
Yogyakarta:
Gadjah Mada University Press,
2007.
Printed Book.