Barker, T. C. (1974). An economic history of transport in Britain. London: Hutchinson.
Dyfyniad Arddull ChicagoBarker, T. C. An Economic History of Transport in Britain. London: Hutchinson, 1974.
Dyfyniad MLABarker, T. C. An Economic History of Transport in Britain. London: Hutchinson, 1974.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.