Akesson, B. (2008). Understanding bridge collapses. Taylor And Francis.
Dyfyniad Arddull ChicagoAkesson, Bjorn. Understanding Bridge Collapses. London: Taylor And Francis, 2008.
Dyfyniad MLAAkesson, Bjorn. Understanding Bridge Collapses. Taylor And Francis, 2008.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.