Gaya APA

Recent Coal Developments In East Kalimantan, Indonesia And Potential Markets In The West Pacific. (1984). Bandung: Pusat Sumber Daya Geologi.

Gaya MLA

Recent Coal Developments In East Kalimantan, Indonesia And Potential Markets In The West Pacific. . Bandung: Pusat Sumber Daya Geologi, 1984. Batubara.