Gaya APA

Integrated Geological Survey of Northern Sumatra (workshop). (). Bandung, Jawa Barat, Indonesia: Pusat Vulkanologi dan Mitigasi Bencana Geologi.

Gaya MLA

Integrated Geological Survey of Northern Sumatra (workshop). . Bandung, Jawa Barat, Indonesia: Pusat Vulkanologi dan Mitigasi Bencana Geologi, . .