Brandão, F. (1998). The Petrobras monopoly and the regulation of oil prices in Brazil. Oxford Institute for Energy Studies.
Chicago-referens (17:e uppl.)Brandão, F. The Petrobras Monopoly and the Regulation of Oil Prices in Brazil. Oxford Institute for Energy Studies, 1998.
MLA-referens (9:e uppl.)Brandão, F. The Petrobras Monopoly and the Regulation of Oil Prices in Brazil. Oxford Institute for Energy Studies, 1998.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.