Não informado. (1961). The Quarterly review of economics and business. University of Illinois, Bureau of Economic and Business Research.
Lua i Stíl Chicago (17ú heag.)Não informado. The Quarterly Review of Economics and Business. Champaign, Ill: University of Illinois, Bureau of Economic and Business Research, 1961.
Lua MLA (8ú heag.)Não informado. The Quarterly Review of Economics and Business. University of Illinois, Bureau of Economic and Business Research, 1961.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.