Gottlieb, M. (1976). Long swings in urban development. National Bureau of Economic Research.
Citazione stile Chigago Style (17a edizione)Gottlieb, Manuel. Long Swings in Urban Development. New York: National Bureau of Economic Research, 1976.
Citatione MLA (9a ed.)Gottlieb, Manuel. Long Swings in Urban Development. National Bureau of Economic Research, 1976.
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