Gaya APA
Jounal of Volcanology and Geothermal Research Vol. 261 1 July 2013
.
().
Bandung, Jawa Barat, Indonesia:
Elsevier.
Gaya MLA
Jounal of Volcanology and Geothermal Research Vol. 261 1 July 2013
.
.
Bandung, Jawa Barat, Indonesia:
Elsevier,
.
.