Cita APA (7th ed.)

Ashworth, A. (1983). Building economics and cost control: Worked solutions. Butterworths.

Cita Chicago (17th ed.)

Ashworth, A. Building Economics and Cost Control: Worked Solutions. London: Butterworths, 1983.

Cita MLA (9th ed.)

Ashworth, A. Building Economics and Cost Control: Worked Solutions. Butterworths, 1983.