Gaya APA
Sunarto, . et al (2010).
Multirisk Assessment Of Disasters In Parangtritis Coastal Area .
Yogyakarta:
Gadjah Mada University Press.
Gaya MLA
Sunarto, . et al.
"Multirisk Assessment Of Disasters In Parangtritis Coastal Area".
Yogyakarta:
Gadjah Mada University Press,
2010.
BUKU GEOGRAFI.