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Dyfyniad Arddull ChicagoHelleiner, G K. World Divided: Less Developed Counrtries in the International Economy. London: Cambridge University Press, 1976.
Dyfyniad MLAHelleiner, G K. World Divided: Less Developed Counrtries in the International Economy. Cambridge University Press, 1976.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.