Kuznets, S. S. (1933). Seasonal variations in industry and trade. National Bureau of Economic Research.
Lua i Stíl Chicago (17ú heag.)Kuznets, Simon Smith. Seasonal Variations in Industry and Trade. New York: National Bureau of Economic Research, 1933.
Lua MLA (9ú heag.)Kuznets, Simon Smith. Seasonal Variations in Industry and Trade. National Bureau of Economic Research, 1933.
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