Gaya APA

Tiwar, S. (1979). An Approch Toward Assessment Assessent of Undiscovered Hydrocarbon Resources as Ised in Pertamina: 6th Indonesian Petroleum Association, Jakarta May, . Bandung: Pertamina divisi Litbang EP.

Gaya MLA

Tiwar, Sanoesi. "An Approch Toward Assessment Assessent of Undiscovered Hydrocarbon Resources as Ised in Pertamina: 6th Indonesian Petroleum Association, Jakarta May,". Bandung: Pertamina divisi Litbang EP, 1979. Text.