Federal Reserve Bank of St. Louis. "Prices," in Federal Reserve Bank of St. Louis. "May 1968," National Economic Trends (May 1968) : 10-11. https://fraser.stlouisfed.org/title/870/item/34151/toc/375960 , accessed on April 23, 2024.
Federal Reserve Bank of St. Louis. "Prices," in Federal Reserve Bank of St. Louis. "May 1968," National Economic Trends (May 1968) : 10-11. https://fraser.stlouisfed.org/title/870/item/34151/toc/375960 , accessed on April 23, 2024.