Gaya APA

Yokoyama, T. et al (1983). Paleomagnetic Measurement and Radiometric'' Dating of the Volcanic Material at Krakatau Volcano and Neighbouring area . Bandung, Jawa Barat, Indonesia: Pusat Vulkanologi dan Mitigasi Bencana Geologi.

Gaya MLA

Yokoyama, Takuo. et al. "Paleomagnetic Measurement and Radiometric'' Dating of the Volcanic Material at Krakatau Volcano and Neighbouring area". Bandung, Jawa Barat, Indonesia: Pusat Vulkanologi dan Mitigasi Bencana Geologi, 1983. Text.