LORENZ, A., & SALZMAN, S. (1991). Drawing in color: Rendering techniques for architectsand illustrators. WHitney Library of design.
Lua i Stíl Chicago (17ú heag.)LORENZ, ALbert, agus Stanley SALZMAN. Drawing in Color: Rendering Techniques for Architectsand Illustrators. New York: WHitney Library of design, 1991.
Lua MLA (9ú heag.)LORENZ, ALbert, agus Stanley SALZMAN. Drawing in Color: Rendering Techniques for Architectsand Illustrators. WHitney Library of design, 1991.
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