Bowman, W. J. (1968). Graphic communication. John Wiley & Sons.
Cita Chicago (17th ed.)Bowman, William J. Graphic Communication. New York ; London: John Wiley & Sons, 1968.
Cita MLA (8th ed.)Bowman, William J. Graphic Communication. John Wiley & Sons, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.