Gaya APA

Widodo, W. (1997). Activities Report Technical Cooperation DMR Geologist To PT. IPE On The LongPahangai Area, Kutai - East Kalimantan . Bandung: Departemen Energi dan Sumber Daya Mineral Badan Geologi dan Direktorat SumberDaya Mineral.

Gaya MLA

Widodo, Wahyu. "Activities Report Technical Cooperation DMR Geologist To PT. IPE On The LongPahangai Area, Kutai - East Kalimantan". Bandung: Departemen Energi dan Sumber Daya Mineral Badan Geologi dan Direktorat SumberDaya Mineral, 1997. Fungsional.