Kirby, M. (1981). The decline of British Economic power since 1870. London: George Allen & Unwin.
Dyfyniad Arddull ChicagoKirby, M.V. The Decline of British Economic Power Since 1870. London: George Allen & Unwin, 1981.
Dyfyniad MLAKirby, M.V. The Decline of British Economic Power Since 1870. London: George Allen & Unwin, 1981.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.