Federal Reserve Bank of San Francisco. "April 1972," Economic Review (Federal Reserve Bank of San Francisco) (April 1972). https://fraser.stlouisfed.org/title/869/item/520313, accessed on April 17, 2024.
Federal Reserve Bank of San Francisco. "April 1972," Economic Review (Federal Reserve Bank of San Francisco) (April 1972). https://fraser.stlouisfed.org/title/869/item/520313, accessed on April 17, 2024.