Capelle, F. W. (1969). Professional perspective drawing for architects and engineers. New York: McGraw-Hill Book Company.
Παραπομπή Chicago StyleCapelle, Friedrich W. Professional Perspective Drawing for Architects and Engineers. New York: McGraw-Hill Book Company, 1969.
Παραπομπή MLACapelle, Friedrich W. Professional Perspective Drawing for Architects and Engineers. New York: McGraw-Hill Book Company, 1969.
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