MITCHELL, W. C. (1959). Business Cycles The Problem And Its Setting Wesley C. Mitchell. National Bureau of Economic Re.
Lua i Stíl Chicago (17ú heag.)MITCHELL, Wesley C. Business Cycles The Problem And Its Setting Wesley C. Mitchell. National Bureau of Economic Re, 1959.
Lua MLA (8ú heag.)MITCHELL, Wesley C. Business Cycles The Problem And Its Setting Wesley C. Mitchell. National Bureau of Economic Re, 1959.
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