Gaya APA

Presentation On Ombilin III Coal Exploration Project Fiscal Year 1992/1993 June 4 th, 1993 in Jakarta. (1993). Bandung: Pusat Sumber Daya Geologi.

Gaya MLA

Presentation On Ombilin III Coal Exploration Project Fiscal Year 1992/1993 June 4 th, 1993 in Jakarta. . Bandung: Pusat Sumber Daya Geologi, 1993. Batubara.