Board of Governors of the Federal Reserve System (U.S.), 1935-. "Income and Product Accounts: GNP Expenditures and Gross Saving," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "May 11, 1979," Z.1 Financial Accounts of the United States (1979-05-11) : 8-8. https://fraser.stlouisfed.org/title/93/item/69144/toc/479655 , accessed on December 1, 2023.