Gaya APA

Kinhill, ., Venture, O, G, J. (1986). South Sumatra Coal Exploration Project Banko Barat Feasubility Study Volume VII Cost Estimates . Bandung: Pusat Sumber Daya Geologi.

Gaya MLA

Kinhill, ., Venture, Otto, Gold, Joint. "South Sumatra Coal Exploration Project Banko Barat Feasubility Study Volume VII Cost Estimates". Bandung: Pusat Sumber Daya Geologi, 1986. Batubara.