Buchan, R. D., Fleming, F. E., & Grant, F. E. (2003). Estimating for builders and surveyors (2nd ed.). Oxford: Butteworth-Heinemann.
Παραπομπή Chicago StyleBuchan, Ross D., F.W. Eric Fleming, and Fiona E.K Grant. Estimating for Builders and Surveyors. 2nd ed. Oxford: Butteworth-Heinemann, 2003.
Παραπομπή MLABuchan, Ross D., F.W. Eric Fleming, and Fiona E.K Grant. Estimating for Builders and Surveyors. 2nd ed. Oxford: Butteworth-Heinemann, 2003.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.