Gaya APA

Nishida, Y. et al (1983). Geomagnetic Survey at Two Volcanic Regions in Indonesia Krakatau Caldera and Lake Toba . Bandung, Jawa Barat, Indonesia: Pusat Vulkanologi dan Mitigasi Bencana Geologi.

Gaya MLA

Nishida, Y.. et al. "Geomagnetic Survey at Two Volcanic Regions in Indonesia Krakatau Caldera and Lake Toba". Bandung, Jawa Barat, Indonesia: Pusat Vulkanologi dan Mitigasi Bencana Geologi, 1983. Text.