Gaya APA

Siswowidjojo, S. (1983). The Renewed Activity of Krakatau Volcano After its Catastrophic Eruption in 1883 . Bandung, Jawa Barat, Indonesia: Pusat Vulkanologi dan Mitigasi Bencana Geologi.

Gaya MLA

Siswowidjojo, Suparto. "The Renewed Activity of Krakatau Volcano After its Catastrophic Eruption in 1883". Bandung, Jawa Barat, Indonesia: Pusat Vulkanologi dan Mitigasi Bencana Geologi, 1983. Text.