Lua APA (7ú heag.)
Gaylord, C. N. Design of steel structures / Gaylord, Edwin H: McGraw Hill.
Lua i Stíl Chicago (17ú heag.)
Gaylord, Charles N. Design of Steel Structures / Gaylord, Edwin H: McGraw Hill.
Lua MLA (9ú heag.)
Gaylord, Charles N. Design of Steel Structures / Gaylord, Edwin H: McGraw Hill.
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