Dyfyniad APA

World Bank. (2007). Africa Development Indicators 2007: Spreading and Sustaining Growth in Africa. The World Bank.

Dyfyniad Arddull Chicago

World Bank. Africa Development Indicators 2007: Spreading and Sustaining Growth in Africa. Washington, D.C: The World Bank, 2007.

Dyfyniad MLA

World Bank. Africa Development Indicators 2007: Spreading and Sustaining Growth in Africa. The World Bank, 2007.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.