Gaya APA
Bronto, S. (1989).
Volcanic Geology of Galunggung West Java, Indonesia (Book I) .
Bandung, Jawa Barat, Indonesia:
University Conterbury.
Gaya MLA
Bronto, Sutikno.
"Volcanic Geology of Galunggung West Java, Indonesia (Book I)".
Bandung, Jawa Barat, Indonesia:
University Conterbury,
1989.
Text.