Dyfyniad APA

United Nations. (1970). The measurement of development effort: Study. New York: United Nations.

Dyfyniad Arddull Chicago

United Nations. The Measurement of Development Effort: Study. New York: United Nations, 1970.

Dyfyniad MLA

United Nations. The Measurement of Development Effort: Study. New York: United Nations, 1970.

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