Federal Reserve Bank of St. Louis. "Prices," in Federal Reserve Bank of St. Louis. "June 1968," National Economic Trends (June 1968) : 10-11. https://fraser.stlouisfed.org/title/870/item/34136/toc/81753 , accessed on May 11, 2024.
Federal Reserve Bank of St. Louis. "Prices," in Federal Reserve Bank of St. Louis. "June 1968," National Economic Trends (June 1968) : 10-11. https://fraser.stlouisfed.org/title/870/item/34136/toc/81753 , accessed on May 11, 2024.