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Dyfyniad Arddull ChicagoGould, Martin, and Edward Hurst. Bridging the Gap to University Mathematics. New York: Springer, 2009.
Dyfyniad MLAGould, Martin, and Edward Hurst. Bridging the Gap to University Mathematics. Springer, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.