Federal Reserve Bank of Philadelphia. "July/August 1980," Business Review (Federal Reserve Bank of Philadelphia) (July/August 1980). https://fraser.stlouisfed.org/title/5580/item/557593, accessed on April 19, 2024.
Federal Reserve Bank of Philadelphia. "July/August 1980," Business Review (Federal Reserve Bank of Philadelphia) (July/August 1980). https://fraser.stlouisfed.org/title/5580/item/557593, accessed on April 19, 2024.