Dent, C. (1974). Consruction cost appraisal: DCF techiques in the construction industry. George Godwin.
Dyfyniad Arddull ChicagoDent, Colin. Consruction Cost Appraisal: DCF Techiques in the Construction Industry. London: George Godwin, 1974.
Dyfyniad MLADent, Colin. Consruction Cost Appraisal: DCF Techiques in the Construction Industry. George Godwin, 1974.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.