Dyfyniad APA

Gill, R. W. (2007). Rendering with pen and ink (Rev. ed.). Thames and Hudson.

Dyfyniad Arddull Chicago

Gill, Robert W. Rendering with Pen and Ink. Rev. ed. New York: Thames and Hudson, 2007.

Dyfyniad MLA

Gill, Robert W. Rendering with Pen and Ink. Rev. ed. Thames and Hudson, 2007.

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