Gill, R. W. (1984). The Thames and Hudson manual of rendering with pen and ink (Rev. and enl. ed.). Thames and Hudson.
Chicago (17e ed.) BronvermeldingGill, Robert W. The Thames and Hudson Manual of Rendering with Pen and Ink. Rev. and enl. ed. London ; New York: Thames and Hudson, 1984.
MLA (8e ed.) BronvermeldingGill, Robert W. The Thames and Hudson Manual of Rendering with Pen and Ink. Rev. and enl. ed. Thames and Hudson, 1984.
Let op: Deze citaties zijn niet altijd 100% accuraat.