The World Bank. (2009). Global economic prospects: Commodities at the crossroads 2009. Wshington, DC: World Bank.
Trích dẫn kiểu ChicagoThe World Bank. Global Economic Prospects: Commodities At the Crossroads 2009. Wshington, DC: World Bank, 2009.
MLA引文The World Bank. Global Economic Prospects: Commodities At the Crossroads 2009. Wshington, DC: World Bank, 2009.
警告:这些引文格式不一定是100%准确.