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Dyfyniad Arddull ChicagoHartmann, Pamela. Quest 1: Reading and Writing: Reading and Writing. Oxford University Press, 2007.
Dyfyniad MLAHartmann, Pamela. Quest 1: Reading and Writing: Reading and Writing. Oxford University Press, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.