Gaya APA

Sukardjono, ., Neve, G, D. (1983). Preliminary Notes On The Subsurface Geology In The Vicinity Of The Krakatau Islands, Sunda Strait Region . Bandung, Jawa Barat, Indonesia: Pusat Vulkanologi dan Mitigasi Bencana Geologi, Badan Geologi.

Gaya MLA

Sukardjono, ., Neve, G.A, De. "Preliminary Notes On The Subsurface Geology In The Vicinity Of The Krakatau Islands, Sunda Strait Region". Bandung, Jawa Barat, Indonesia: Pusat Vulkanologi dan Mitigasi Bencana Geologi, Badan Geologi, 1983. Text.