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Dyfyniad Arddull ChicagoSmith, Joan. Why Aren't They Screamingn. New York: Scribner, 1988.
Dyfyniad MLASmith, Joan. Why Aren't They Screamingn. Scribner, 1988.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.