APA-referens (7:e uppl.)

Gill, R. W. (1984). The Thames and Hudson manual of rendering with pen and ink (Rev. and enl. ed.). Thames and Hudson.

Chicago-referens (17:e uppl.)

Gill, 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-referens (8:e uppl.)

Gill, Robert W. The Thames and Hudson Manual of Rendering with Pen and Ink. Rev. and enl. ed. Thames and Hudson, 1984.