Não informado. (1961). The Quarterly review of economics and business. University of Illinois, Bureau of Economic and Business Research.
Cytowanie według stylu Chicago (wyd. 17)Não informado. The Quarterly Review of Economics and Business. Champaign, Ill: University of Illinois, Bureau of Economic and Business Research, 1961.
Cytowanie według stylu MLA (wyd. 8)Não informado. The Quarterly Review of Economics and Business. University of Illinois, Bureau of Economic and Business Research, 1961.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..