Gaya APA

Dvorak, J. et al (1983). Scientific Results Of The VSI-USGS Cooperative Volcanological Program : January 1982 To June 1982. . Bandung, Jawa Barat, Indonesia: Pusat Vulkanologi dan Mitigasi Bencana Geologi.

Gaya MLA

Dvorak, John. et al. "Scientific Results Of The VSI-USGS Cooperative Volcanological Program : January 1982 To June 1982.". Bandung, Jawa Barat, Indonesia: Pusat Vulkanologi dan Mitigasi Bencana Geologi, 1983. Text.