Dyfyniad APA

CONSTRUCTION, I. B. (1997). Code Of Practice For The Selection Of Main Contractors Construction Industry Board. Thomas Telford.

Dyfyniad Arddull Chicago

CONSTRUCTION, Industry Board. Code Of Practice For The Selection Of Main Contractors Construction Industry Board. Thomas Telford, 1997.

Dyfyniad MLA

CONSTRUCTION, Industry Board. Code Of Practice For The Selection Of Main Contractors Construction Industry Board. Thomas Telford, 1997.

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