Gaya APA

Mineral, D, S, D. (1981). Report on Reconnaissance Survey on Kalimantan Coal Block V (Area 2) Indonesia (August - September 1981) . Bandung: Direktorat Sumber Daya Mineral.

Gaya MLA

Mineral, Direktorat, Sumber, Daya. "Report on Reconnaissance Survey on Kalimantan Coal Block V (Area 2) Indonesia (August - September 1981)". Bandung: Direktorat Sumber Daya Mineral, 1981. Umum.