Isard, W. (1956). Location and space-economy: A general theory relating to industrial location, market areas, land use, trade, and urban structure. M. I. T. Press.
Cita Chicago (17th ed.)Isard, Walter. Location and Space-economy: A General Theory Relating to Industrial Location, Market Areas, Land Use, Trade, and Urban Structure. Cambridge, Mass.: M. I. T. Press, 1956.
Cita MLA (8th ed.)Isard, Walter. Location and Space-economy: A General Theory Relating to Industrial Location, Market Areas, Land Use, Trade, and Urban Structure. M. I. T. Press, 1956.
Atenció: Aquestes cites poden no estar 100% correctes.