APA
Ashworth A., Chartered Institute of Building, . (1997). Obsolescence in buildings: data for life cycle costing. Ascot, Berks: CIOB.
Chicago
Ashworth A, Chartered Institute of Building, . 1997. Obsolescence in buildings: data for life cycle costing. Ascot, Berks: CIOB.
Harvard
Ashworth A., Chartered Institute of Building, . (1997). Obsolescence in buildings: data for life cycle costing. Ascot, Berks: CIOB.
MLA
Ashworth A, Chartered Institute of Building, . Obsolescence in buildings: data for life cycle costing. Ascot, Berks: CIOB. 1997.