Lester, P. M. (2011). Visual communication: Images with messages (5th ed.). Wadsworth.
Cita Chicago (17th ed.)Lester, Paul Martin. Visual Communication: Images with Messages. 5th ed. Boston, Mass: Wadsworth, 2011.
Cita MLA (9th ed.)Lester, Paul Martin. Visual Communication: Images with Messages. 5th ed. Wadsworth, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.