Citazione Stile APA (7a Edizione)

(2007). Angola: Oil, broad-based growth, and equity. World Bank.

Citazione stile Chigago Style (17a edizione)

Angola: Oil, Broad-based Growth, and Equity. Washington, D.C: World Bank, 2007.

Citatione MLA (9a ed.)

Angola: Oil, Broad-based Growth, and Equity. World Bank, 2007.