Gaya APA

Seismic Observation and Inter Pretation of Krakatau Complex in the Periods of 1981-1983. (). Bandung, Jawa Barat, Indonesia: Pusat Vulkanologi dan Mitigasi Bencana Geologi.

Gaya MLA

Seismic Observation and Inter Pretation of Krakatau Complex in the Periods of 1981-1983. . Bandung, Jawa Barat, Indonesia: Pusat Vulkanologi dan Mitigasi Bencana Geologi, . .