Gaya APA

Energy, M, O, M, A. (1986). Ombilin II Coal Mine Development And Transportation Project, Conceptual Report Volume V Railway Analysis . Bandung: Pusat Sumber Daya Geologi.

Gaya MLA

Energy, Ministry, Of, Mines, And. "Ombilin II Coal Mine Development And Transportation Project, Conceptual Report Volume V Railway Analysis". Bandung: Pusat Sumber Daya Geologi, 1986. Batubara.