Gaya APA
Hardiyatmo, Hary Christady. (2012).
Tanah longsor dan erosi .
Yogyakarta:
Gadjah Mada University Press.
Gaya Chicago
Hardiyatmo, Hary Christady.
Tanah longsor dan erosi.
Yogyakarta:
Gadjah Mada University Press,
2012.
Text.
Gaya MLA
Hardiyatmo, Hary Christady.
Tanah longsor dan erosi.
Yogyakarta:
Gadjah Mada University Press,
2012.
Text.
Gaya Turabian
Hardiyatmo, Hary Christady.
Tanah longsor dan erosi.
Yogyakarta:
Gadjah Mada University Press,
2012.
Print.