Gaya APA

Institute, J, C. (1994). Preliminary Report For Coal Gasification Reporfit Project At PT. Pupuk Sriwidjaja In Indonesia . Bandung: Pusat Sumber Daya Geologi.

Gaya MLA

Institute, Japan, Cunsulting. "Preliminary Report For Coal Gasification Reporfit Project At PT. Pupuk Sriwidjaja In Indonesia". Bandung: Pusat Sumber Daya Geologi, 1994. Batubara.