Gaya APA

KINHIL, ., GOLD, D. (1986). South Sumatera Coal Exploration Project Banko Barat Feasibility Volume II Cost Estimates . Bandung: Pusat Sumber Daya Geologi.

Gaya MLA

KINHIL, ., GOLD, DR.OTTO. "South Sumatera Coal Exploration Project Banko Barat Feasibility Volume II Cost Estimates". Bandung: Pusat Sumber Daya Geologi, 1986. Batubara.