Hanson, G. H. (2000). Scale economies and the geographic concentration of industry. National Bureau of Economic Research.
Cita Chicago (17th ed.)Hanson, Gordon H. Scale Economies and the Geographic Concentration of Industry. Cambridge: National Bureau of Economic Research, 2000.
Cita MLA (9th ed.)Hanson, Gordon H. Scale Economies and the Geographic Concentration of Industry. National Bureau of Economic Research, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.