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Dyfyniad Arddull ChicagoMedia Vision (Firm). Critical Path [computer File]. Fremont, CA: Media Vision, 1994.
Dyfyniad MLAMedia Vision (Firm). Critical Path [computer File]. Media Vision, 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.