Towey, Donald (c2018). Construction quantity surveying: a practical guide for the constractor's QS 2nd ed.. John Wiley & Sons, Inc.,.
Towey, Donald Construction quantity surveying: a practical guide for the constractor's QS 2nd ed.. John Wiley & Sons, Inc.,, c2018.
Towey, Donald, "Construction quantity surveying: a practical guide for the constractor's QS 2nd ed.," John Wiley & Sons, Inc.,, c2018.