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Dyfyniad Arddull ChicagoUnited Nations. World Economic and Social Survey 2004: International Migration. New Delhi: Academic Foundation, 2005.
Dyfyniad MLAUnited Nations. World Economic and Social Survey 2004: International Migration. Academic Foundation, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.