Gaya APA

Journal of Volcanology and Geothermal Research Vol. 81 No. 1-2 April, 1998. (). Amsterdam: Elsevier Science Publishers B.V..

Gaya MLA

Journal of Volcanology and Geothermal Research Vol. 81 No. 1-2 April, 1998. . Amsterdam: Elsevier Science Publishers B.V., . .