APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.