Gaya APA

Simangunsong, H. (2009). Laporan The Development of GIS for Mineral Potential Mapping in The Eastern Indonesia . Bandung: Pusat Sumber Daya Geologi.

Gaya MLA

Simangunsong, Hotma. "Laporan The Development of GIS for Mineral Potential Mapping in The Eastern Indonesia". Bandung: Pusat Sumber Daya Geologi, 2009. Deskwork.