Gaya APA

Journal of Volcanology and Geothermal Research Vol. 80 No.3-4 February, 1998. (). Amsterdam: Elsevier Science Publishers B.V..

Gaya MLA

Journal of Volcanology and Geothermal Research Vol. 80 No.3-4 February, 1998. . Amsterdam: Elsevier Science Publishers B.V., . .