HODGKINSON, A. (1980). Aj Handbook Of Buiolding Structure. The Architectural Press.
Lua i Stíl Chicago (17ú heag.)HODGKINSON, Allan. Aj Handbook Of Buiolding Structure. The Architectural Press, 1980.
Lua MLA (8ú heag.)HODGKINSON, Allan. Aj Handbook Of Buiolding Structure. The Architectural Press, 1980.
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