Gaya APA

Survey, U, G., Bell, H. (1973). Geochemical exploration by the geological survey of Indonesia . Bandung: Direktorat Sumber Daya Mineral.

Gaya MLA

Survey, U.S., Geological., Bell, Henry. "Geochemical exploration by the geological survey of Indonesia". Bandung: Direktorat Sumber Daya Mineral, 1973. Umum.