Federal Reserve Bank of St. Louis. "Prices," in Federal Reserve Bank of St. Louis. "February 1968," National Economic Trends (February 1968) : 10-11. https://fraser.stlouisfed.org/title/870/item/34152/toc/273200 , accessed on April 19, 2024.
Federal Reserve Bank of St. Louis. "Prices," in Federal Reserve Bank of St. Louis. "February 1968," National Economic Trends (February 1968) : 10-11. https://fraser.stlouisfed.org/title/870/item/34152/toc/273200 , accessed on April 19, 2024.