Não informado. (2007). Statistical Supplement to the Federal Reserve Bulletin. Board of Governors of the Federal Reserve System.
Lua i Stíl Chicago (17ú heag.)Não informado. Statistical Supplement to the Federal Reserve Bulletin. Washington: Board of Governors of the Federal Reserve System, 2007.
Lua MLA (8ú heag.)Não informado. Statistical Supplement to the Federal Reserve Bulletin. Board of Governors of the Federal Reserve System, 2007.
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