Não informado. (1944). Illinois business review. University of Illinois, Bureau of Economic and Business Research.
Chicago-viite (17. p.)Não informado. Illinois Business Review. Urbana, Ill: University of Illinois, Bureau of Economic and Business Research, 1944.
MLA-viite (8. p.)Não informado. Illinois Business Review. University of Illinois, Bureau of Economic and Business Research, 1944.
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