Cotton, B. (1990). The New guide to graphic design. Chartwell.
Cita Chicago (17th ed.)Cotton, Bob. The New Guide to Graphic Design. London: Chartwell, 1990.
Cita MLA (9th ed.)Cotton, Bob. The New Guide to Graphic Design. Chartwell, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.