Gaya APA

Journal of Volcanology and Geothermal Research Vol. 23 No. 1-2 December, 1984. (). Amsterdam: Elsevier Science Publishers B.V..

Gaya MLA

Journal of Volcanology and Geothermal Research Vol. 23 No. 1-2 December, 1984. . Amsterdam: Elsevier Science Publishers B.V., . .