Federal Reserve Bank of St. Louis. "Prices," in Federal Reserve Bank of St. Louis. "January 1968," National Economic Trends (January 1968) : 10-11. https://fraser.stlouisfed.org/title/870/item/33982/toc/80775 , accessed on May 7, 2024.
Federal Reserve Bank of St. Louis. "Prices," in Federal Reserve Bank of St. Louis. "January 1968," National Economic Trends (January 1968) : 10-11. https://fraser.stlouisfed.org/title/870/item/33982/toc/80775 , accessed on May 7, 2024.