United States. Bureau of Economic Analysis. "U.S. Plant and Equipment Expenditures by Business : Business Capital Spending Plans for 1969 Again Reduced from Earlier Expectations, OBE 69-43|SEC 2385,"
Bureau of Economic Analysis (BEA) News Releases
(September 3, 1969).
https://fraser.stlouisfed.org/title/6148/item/595005, accessed on March 22, 2025.