Gaya APA

Journal of Volcanology and Geothermal Research Vol. 78 No. 3-4 September 1997. (). Amsterdam: Elsevier Science Publishers B.V..

Gaya MLA

Journal of Volcanology and Geothermal Research Vol. 78 No. 3-4 September 1997. . Amsterdam: Elsevier Science Publishers B.V., . .