Tufte, E. R. (1998). Envisioning information. Graphics Press.
Cita Chicago (17th ed.)Tufte, Edward R. Envisioning Information. Cheshire, Conn.: Graphics Press, 1998.
Cita MLA (8th ed.)Tufte, Edward R. Envisioning Information. Graphics Press, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.