Gaya APA

HARDIYANTMO, H, C. (2012). TANAH LONGSOR & EROSI / HARY CHRISTADY HARDIYANTMO (Edisi 1 Jilid 1). Yogyakarta: Gadjah Mada University Press.

Gaya MLA

HARDIYANTMO, HARY, CHRISTADY. "TANAH LONGSOR & EROSI / HARY CHRISTADY HARDIYANTMO". Edisi 1 Jilid 1 Yogyakarta: Gadjah Mada University Press, 2012. Text.