Hollis, R. (2001). Graphic design: A concise history (2a. ed.). Thames and Hudson.
Lua i Stíl Chicago (17ú heag.)Hollis, Richard. Graphic Design: A Concise History. 2a. ed. Nueva York: Thames and Hudson, 2001.
Lua MLA (9ú heag.)Hollis, Richard. Graphic Design: A Concise History. 2a. ed. Thames and Hudson, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.