(1964). Derwent system of construction: Information contract procedure and specifications. Vic Hallam.
Citace podle Chicago (17th ed.)Derwent System of Construction: Information Contract Procedure and Specifications. Nottingham: Vic Hallam, 1964.
Citace podle MLA (9th ed.)Derwent System of Construction: Information Contract Procedure and Specifications. Vic Hallam, 1964.
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