Thorpe, B., Sumner, P., & Duncan, J. (1996). Quality assurance in construction (2nd ed.). Hampshire: Gower.
Παραπομπή Chicago StyleThorpe, Brian, Peter Sumner, and John Duncan. Quality Assurance in Construction. 2nd ed. Hampshire: Gower, 1996.
Παραπομπή MLAThorpe, Brian, Peter Sumner, and John Duncan. Quality Assurance in Construction. 2nd ed. Hampshire: Gower, 1996.
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