World Bank. (2007). Africa Development Indicators 2007: Spreading and Sustaining Growth in Africa. The World Bank.
Citazione stile Chigago Style (17a edizione)World Bank. Africa Development Indicators 2007: Spreading and Sustaining Growth in Africa. Washington, D.C: The World Bank, 2007.
Citatione MLA (9a ed.)World Bank. Africa Development Indicators 2007: Spreading and Sustaining Growth in Africa. The World Bank, 2007.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.