Adobe Creative Team. (2009). Adobe Photoshop CS4. AdobePress.
Dyfyniad Arddull ChicagoAdobe Creative Team. Adobe Photoshop CS4. Berkeley, Calif: AdobePress, 2009.
Dyfyniad MLAAdobe Creative Team. Adobe Photoshop CS4. AdobePress, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.