White, K. R. (1981). Bridge maintenance inspection and evaluation. M. Dekker.
Dyfyniad Arddull ChicagoWhite, Kenneth R. Bridge Maintenance Inspection and Evaluation. New York: M. Dekker, 1981.
Dyfyniad MLAWhite, Kenneth R. Bridge Maintenance Inspection and Evaluation. M. Dekker, 1981.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.