Gaya APA

Untung, M. (1974). Economic Commision For Asia And For East Committe For Coordination Of Joint Prospecting For Mineral Resources In Asian Offshore Areas (CCOP) . Bandung: Pusat Sumber Daya Geologi.

Gaya MLA

Untung, Mohamad. "Economic Commision For Asia And For East Committe For Coordination Of Joint Prospecting For Mineral Resources In Asian Offshore Areas (CCOP)". Bandung: Pusat Sumber Daya Geologi, 1974. Batubara.