David Karlins. (1999). Corel Draw 9 in 24 hours. Techmedia.
Dyfyniad Arddull ChicagoDavid Karlins. Corel Draw 9 in 24 Hours. New Delhi: Techmedia, 1999.
Dyfyniad MLADavid Karlins. Corel Draw 9 in 24 Hours. Techmedia, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.