Johansson, B., & Karlsson, C. S. (2002). Regional policies and comparative advantage. Edward Elgar.
Dyfyniad Arddull ChicagoJohansson, Borje, and Charlie Stough Karlsson. Regional Policies and Comparative Advantage. Cheltenham UK: Edward Elgar, 2002.
Dyfyniad MLAJohansson, Borje, and Charlie Stough Karlsson. Regional Policies and Comparative Advantage. Edward Elgar, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.