Myrdal, G. (1971). The challenge of world poverty: A world anti-poverty program in outline. Pantheon Books.
Dyfyniad Arddull ChicagoMyrdal, Gunnar. The Challenge of World Poverty: A World Anti-poverty Program in Outline. Harmondsworth: Pantheon Books, 1971.
Dyfyniad MLAMyrdal, Gunnar. The Challenge of World Poverty: A World Anti-poverty Program in Outline. Pantheon Books, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.