APA
Institute of Building, Estimating Section. Southampton Group, . (1973). Sub-contractors; invitation to tender and adjudication of quotations. Ascot: IOB.
Chicago
Institute of Building, Estimating Section. Southampton Group, . 1973. Sub-contractors; invitation to tender and adjudication of quotations. Ascot: IOB.
Harvard
Institute of Building, Estimating Section. Southampton Group, . (1973). Sub-contractors; invitation to tender and adjudication of quotations. Ascot: IOB.
MLA
Institute of Building, Estimating Section. Southampton Group, . Sub-contractors; invitation to tender and adjudication of quotations. Ascot: IOB. 1973.
