Gatz, K., & Wallenfang, W. O. (1961). Color in architecture: A guide to exterior design. New York: Reinhold Publishing Corporation.
Παραπομπή Chicago StyleGatz, Konrad, and Wilhelm Otto Wallenfang. Color in Architecture: A Guide to Exterior Design. New York: Reinhold Publishing Corporation, 1961.
Παραπομπή MLAGatz, Konrad, and Wilhelm Otto Wallenfang. Color in Architecture: A Guide to Exterior Design. New York: Reinhold Publishing Corporation, 1961.
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