Dyfyniad APA

(1977). Economic and Social Progress in the Second Development Decade; Report of the Secretary General.

Dyfyniad Arddull Chicago

Economic and Social Progress in the Second Development Decade; Report of the Secretary General. New York, 1977.

Dyfyniad MLA

Economic and Social Progress in the Second Development Decade; Report of the Secretary General. 1977.

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