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Dyfyniad Arddull ChicagoWilliams, Anthony, and Hedda Haugen Askland. The University of Newcastle: PP9-1288. Office for Learning and Teaching, 2012.
Dyfyniad MLAWilliams, Anthony, and Hedda Haugen Askland. The University of Newcastle: PP9-1288. Office for Learning and Teaching, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.