CONSTRUCTION, I. B. (1997). Code Of Practice For The Selection Of Main Contractors Construction Industry Board. Thomas Telford.
Lua i Stíl Chicago (17ú heag.)CONSTRUCTION, Industry Board. Code Of Practice For The Selection Of Main Contractors Construction Industry Board. Thomas Telford, 1997.
Lua MLA (8ú heag.)CONSTRUCTION, Industry Board. Code Of Practice For The Selection Of Main Contractors Construction Industry Board. Thomas Telford, 1997.
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