Dyfyniad APA

World Bank. (2002). African Development Indicators 2002. the international bank for reconstruction and development.

Dyfyniad Arddull Chicago

World Bank. African Development Indicators 2002. Washington: the international bank for reconstruction and development, 2002.

Dyfyniad MLA

World Bank. African Development Indicators 2002. the international bank for reconstruction and development, 2002.

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