Dyfyniad APA

Christy, G., & Pearch, S. (1991). Step by step art school. Chartwell Books.

Dyfyniad Arddull Chicago

Christy, Geraldine, and Sara Pearch. Step by Step Art School. Secaucus, NJ: Chartwell Books, 1991.

Dyfyniad MLA

Christy, Geraldine, and Sara Pearch. Step by Step Art School. Chartwell Books, 1991.

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