McCaffer, R., & Baldwin, A. N. (1984). Estimating and tendering for civil engineering works. Granada.
Dyfyniad Arddull ChicagoMcCaffer, Ronald, and A. N. Baldwin. Estimating and Tendering for Civil Engineering Works. London: Granada, 1984.
Dyfyniad MLAMcCaffer, Ronald, and A. N. Baldwin. Estimating and Tendering for Civil Engineering Works. Granada, 1984.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.