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Dyfyniad Arddull ChicagoHarbert, Wayne, and Sally McConnell-Ginet. Language and Poverty. Bristol ; Buffalo: Multilingual matters, 2009.
Dyfyniad MLAHarbert, Wayne, and Sally McConnell-Ginet. Language and Poverty. Multilingual matters, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.