Gaya APA
Suryo, I., CLARKE, M, C, G. (1985).
The Occurrence and Mitigation of Volcanic Hazards in Indonesia as Exemplified at The Mount Merapi, Mount Kelut and Mount Galunggung Volcanoes (Tahun 1985).
Bandung:
Directorate of Volcanology.
Gaya MLA
Suryo, I.., CLARKE, M., C., G..
"The Occurrence and Mitigation of Volcanic Hazards in Indonesia as Exemplified at The Mount Merapi, Mount Kelut and Mount Galunggung Volcanoes".
Tahun 1985
Bandung:
Directorate of Volcanology,
1985.
Text.