OPEC chronology, 1960-1980 /
Organization of the Petroleum Exporting Countries.
APA Citation
Organization of Petroleum Exporting Countries. (1980). OPEC chronology, 1960-1980. Expanded and updated issue. Vienna: Secretariat, OPEC.
MLA Citation
Organization of Petroleum Exporting Countries. OPEC Chronology, 1960-1980. Expanded and updated issue. Vienna: Secretariat, OPEC, 1980.
Warning: These citations may not always be complete (especially for serials).