United States. Bureau of Labor Statistics. "August 1971," CPI Detailed Report (August 1971). https://fraser.stlouisfed.org/title/58/item/22273, accessed on March 28, 2024.
United States. Bureau of Labor Statistics. "August 1971," CPI Detailed Report (August 1971). https://fraser.stlouisfed.org/title/58/item/22273, accessed on March 28, 2024.