Gaya APA

Speech by the Director General of the Geology and Mineral Rosources of the Republic of Indonesia at the Indonesia - French Volcanological Cooperative Program Seminar, Bandung 24 Nopember 1986. (). Bandung, Jawa Barat, Indonesia: Pusat Vulkanologi dan Mitigasi Bencana Geologi.

Gaya MLA

Speech by the Director General of the Geology and Mineral Rosources of the Republic of Indonesia at the Indonesia - French Volcanological Cooperative Program Seminar, Bandung 24 Nopember 1986. . Bandung, Jawa Barat, Indonesia: Pusat Vulkanologi dan Mitigasi Bencana Geologi, . .