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Dyfyniad Arddull ChicagoSnarr, Michael T. Introducing Global Issues. Boulder ( Colorado ): Lynne Rienner Publishers, 2002.
Dyfyniad MLASnarr, Michael T. Introducing Global Issues. Boulder ( Colorado ): Lynne Rienner Publishers, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.