Gaya APA

GEological Apping And Mineral Exploration In North-East Kalimantan. (1980). Bandung: Dinas Vulkanologi Bagian Projek Survey Enersi Geothermal.

Gaya MLA

GEological Apping And Mineral Exploration In North-East Kalimantan. . Bandung: Dinas Vulkanologi Bagian Projek Survey Enersi Geothermal, 1980. Logam.