PEHNT, W. (1985). Expressionist Architecture In Drawings. Van Nostrand Reinhold Company.
Lua i Stíl Chicago (17ú heag.)PEHNT, Wolfgang. Expressionist Architecture In Drawings. Van Nostrand Reinhold Company, 1985.
Lua MLA (8ú heag.)PEHNT, Wolfgang. Expressionist Architecture In Drawings. Van Nostrand Reinhold Company, 1985.
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