Dyfyniad APA
Gill, R. W. (1973). The Thames and Hudson manual of rendering with pen and ink (Rev. and enl. ed.). Thames and Hudson.
Dyfyniad Arddull Chicago
Gill, Robert W. The Thames and Hudson Manual of Rendering with Pen and Ink. Rev. and enl. ed. New York: Thames and Hudson, 1973.
Dyfyniad MLA
Gill, Robert W. The Thames and Hudson Manual of Rendering with Pen and Ink. Rev. and enl. ed. Thames and Hudson, 1973.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.