Gaya APA

Koyanagi, R, Y., Kojima, G. (1985). Evaluation Of The Radio Telemetri Seismic Network At Merapi Volcano Observatory, August, 1984 . Bandung, Jawa Barat, Indonesia: Pusat Vulkanologi dan Mitigasi Bencana Geologi.

Gaya MLA

Koyanagi, Robert, Y.., Kojima, George. "Evaluation Of The Radio Telemetri Seismic Network At Merapi Volcano Observatory, August, 1984". Bandung, Jawa Barat, Indonesia: Pusat Vulkanologi dan Mitigasi Bencana Geologi, 1985. Text.