Ashworth, A. (1983). Building economics and cost control: Worked solutions. Butterworths.
Citazione stile Chigago Style (17a edizione)Ashworth, A. Building Economics and Cost Control: Worked Solutions. London: Butterworths, 1983.
Citatione MLA (9a ed.)Ashworth, A. Building Economics and Cost Control: Worked Solutions. Butterworths, 1983.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.