APA (7 ম সংস্করণ) উদ্ধৃতি

Brandão, F. (1998). The Petrobras monopoly and the regulation of oil prices in Brazil. Oxford Institute for Energy Studies.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Brandão, F. The Petrobras Monopoly and the Regulation of Oil Prices in Brazil. Oxford Institute for Energy Studies, 1998.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Brandão, F. The Petrobras Monopoly and the Regulation of Oil Prices in Brazil. Oxford Institute for Energy Studies, 1998.