Brandão, F. (1998). The Petrobras monopoly and the regulation of oil prices in Brazil. Oxford Institute for Energy Studies.
Čikaški stil citiranja (17. izdanje)Brandão, F. The Petrobras Monopoly and the Regulation of Oil Prices in Brazil. Oxford Institute for Energy Studies, 1998.
MLA način citiranja (9. izdanje)Brandão, F. The Petrobras Monopoly and the Regulation of Oil Prices in Brazil. Oxford Institute for Energy Studies, 1998.
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