Smith, Sharon P. "Examination of employment and unemployment rates," in Federal Reserve Bank of New York. Research and Statistics Group. "Autumn 1977, Vol. 2, No. 3," Economic Policy Review (Federal Reserve Bank of New York) (Autumn 1977) : 16-20. https://fraser.stlouisfed.org/title/1170/item/3293/toc/39039 , accessed on April 19, 2024.