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Dyfyniad Arddull ChicagoProwse, Philip. L. A. Winners: Elementary Level. London: Macmillan Education, 2005.
Dyfyniad MLAProwse, Philip. L. A. Winners: Elementary Level. London: Macmillan Education, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.