Gaya APA

Study of Earthquake Family Associated With Volcanic Activity of Usu Volcano In Early 1978. (). Bandung, Jawa Barat, Indonesia: Pusat Vulkanologi dan Mitigasi Bencana Geologi.

Gaya MLA

Study of Earthquake Family Associated With Volcanic Activity of Usu Volcano In Early 1978. . Bandung, Jawa Barat, Indonesia: Pusat Vulkanologi dan Mitigasi Bencana Geologi, . .