Dyfyniad APA

Robles, G. (2013). Sketchbook Pro digital painting essentials. Packt Publishing.

Dyfyniad Arddull Chicago

Robles, Gil. Sketchbook Pro Digital Painting Essentials. Birmingham: Packt Publishing, 2013.

Dyfyniad MLA

Robles, Gil. Sketchbook Pro Digital Painting Essentials. Packt Publishing, 2013.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.