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Dyfyniad Arddull ChicagoA Shrinking World?: Global Unevenness and Inequality. New York: Oxford University Press, 1995.
Dyfyniad MLAA Shrinking World?: Global Unevenness and Inequality. Oxford University Press, 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.