Não informado. (1961). The Quarterly review of economics and business. University of Illinois, Bureau of Economic and Business Research.
Chicago-referens (17:e uppl.)Não informado. The Quarterly Review of Economics and Business. Champaign, Ill: University of Illinois, Bureau of Economic and Business Research, 1961.
MLA-referens (8:e uppl.)Não informado. The Quarterly Review of Economics and Business. University of Illinois, Bureau of Economic and Business Research, 1961.
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