Gaya APA

Rasyid, S, A. (1983). 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

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