Dyfyniad APA

International Bank for Reconstruction and Development. (1972). Urbanization. World Bank.

Dyfyniad Arddull Chicago

International Bank for Reconstruction and Development. Urbanization. Washington, D.C: World Bank, 1972.

Dyfyniad MLA

International Bank for Reconstruction and Development. Urbanization. World Bank, 1972.

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