Dyfyniad APA

United Nations. Department of International Economic and Social Affairs. (1980). Patterns of urban and rural population growth. United Nations.

Dyfyniad Arddull Chicago

United Nations. Department of International Economic and Social Affairs. Patterns of Urban and Rural Population Growth. New York: United Nations, 1980.

Dyfyniad MLA

United Nations. Department of International Economic and Social Affairs. Patterns of Urban and Rural Population Growth. United Nations, 1980.

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