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 citiranjeThe World Bank. Global Economic Prospects: Commodities At the Crossroads 2009. Wshington, DC: World Bank, 2009.
Opozorilo: Ti citati niso vedno 100% točni.