HURD, M. (1995). Formwork For Concrete. American Concrete Institute.
Lua i Stíl Chicago (17ú heag.)HURD, M.K. Formwork For Concrete. American Concrete Institute, 1995.
Lua MLA (8ú heag.)HURD, M.K. Formwork For Concrete. American Concrete Institute, 1995.
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