Gaya APA

Neve, G, A, D. (1981). Notes on Krakatau Eruption of 1883 , its Earlier Activities is Historic Time and in the Quarternary . Bandung, Jawa Barat, Indonesia: Pusat Vulkanologi dan Mitigasi Bencana Geologi.

Gaya MLA

Neve, George, A., De. "Notes on Krakatau Eruption of 1883 , its Earlier Activities is Historic Time and in the Quarternary". Bandung, Jawa Barat, Indonesia: Pusat Vulkanologi dan Mitigasi Bencana Geologi, 1981. Text.