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Dyfyniad Arddull ChicagoFielding, Gabriel, Ian Fleming, C. S. Lewis, Muriel Spark, and Stephen Spender. Barnsley, Alan Gabriel, Papers. Washington, D.C.: DigitalGeorgetown, 2013.
Dyfyniad MLAFielding, Gabriel, et al. Barnsley, Alan Gabriel, Papers. DigitalGeorgetown, 2013.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.