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Dyfyniad Arddull ChicagoYoung, Michael J. Step by Step XML. New Delhi: Prentice-Hall of India, 2001.
Dyfyniad MLAYoung, Michael J. Step by Step XML. Prentice-Hall of India, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.