Brandão, F. (1998). The Petrobras monopoly and the regulation of oil prices in Brazil. Oxford Institute for Energy Studies.
Lua i Stíl Chicago (17ú heag.)Brandão, F. The Petrobras Monopoly and the Regulation of Oil Prices in Brazil. Oxford Institute for Energy Studies, 1998.
Lua MLA (9ú heag.)Brandão, F. The Petrobras Monopoly and the Regulation of Oil Prices in Brazil. Oxford Institute for Energy Studies, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.