Doyle, M. E. (1999). Color drawing: Design drawing skills and techniques for architects, landscape architects, and interior designers (2nd ed.). John Wiley.
Lua i Stíl Chicago (17ú heag.)Doyle, Michael E. Color Drawing: Design Drawing Skills and Techniques for Architects, Landscape Architects, and Interior Designers. 2nd ed. New York: John Wiley, 1999.
Lua MLA (8ú heag.)Doyle, Michael E. Color Drawing: Design Drawing Skills and Techniques for Architects, Landscape Architects, and Interior Designers. 2nd ed. John Wiley, 1999.
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