Sassoon, R. (1997). Signs, symbols and icons: Pre-history to the computer age. Intellect.
Chicago-Zitierstil (17. Ausg.)Sassoon, Rosemary. Signs, Symbols and Icons: Pre-history to the Computer Age. Exeter: Intellect, 1997.
MLA-Zitierstil (9. Ausg.)Sassoon, Rosemary. Signs, Symbols and Icons: Pre-history to the Computer Age. Intellect, 1997.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.