The World Bank. (2007). The World Bank annual report 2007 =: Operational summary : Fiscal 2007. Washington DC: The World Bank.
Παραπομπή Chicago StyleThe World Bank. The World Bank Annual Report 2007 =: Operational Summary : Fiscal 2007. Washington DC: The World Bank, 2007.
Παραπομπή MLAThe World Bank. The World Bank Annual Report 2007 =: Operational Summary : Fiscal 2007. Washington DC: The World Bank, 2007.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.