Federal Reserve Bank of Philadelphia. "August 1972," Business Review (Federal Reserve Bank of Philadelphia) (August 1972). https://fraser.stlouisfed.org/title/5580/item/557527, accessed on April 23, 2024.
Federal Reserve Bank of Philadelphia. "August 1972," Business Review (Federal Reserve Bank of Philadelphia) (August 1972). https://fraser.stlouisfed.org/title/5580/item/557527, accessed on April 23, 2024.