Federal Reserve Bank of St. Louis. "Notes and Sources," in Federal Reserve Bank of St. Louis. "March 2012," National Economic Trends (March 2012) : 29-29. https://fraser.stlouisfed.org/title/870/item/599667/toc/579602 , accessed on May 20, 2024.
Federal Reserve Bank of St. Louis. "Notes and Sources," in Federal Reserve Bank of St. Louis. "March 2012," National Economic Trends (March 2012) : 29-29. https://fraser.stlouisfed.org/title/870/item/599667/toc/579602 , accessed on May 20, 2024.