APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (8:e uppl.)

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