Federal Reserve Bank of St. Louis. "Investment Spending," in Federal Reserve Bank of St. Louis. "March 2012," National Economic Trends (March 2012) : 14-15. https://fraser.stlouisfed.org/title/870/item/599667/toc/579596 , accessed on May 20, 2024.
Federal Reserve Bank of St. Louis. "Investment Spending," in Federal Reserve Bank of St. Louis. "March 2012," National Economic Trends (March 2012) : 14-15. https://fraser.stlouisfed.org/title/870/item/599667/toc/579596 , accessed on May 20, 2024.