Gaya APA

Energy, M, O, M, A., Mines, D, G, O. (). Ombilin II Mine Development And Transportation Project Drilling Program Report . Bandung: Pusat Sumber Daya Geologi.

Gaya MLA

Energy, Ministry, Of, Mines, And., Mines, Directorate, General, Of. "Ombilin II Mine Development And Transportation Project Drilling Program Report". Bandung: Pusat Sumber Daya Geologi, . Batubara.