United States. Bureau of Labor Statistics. "November 1971," CPI Detailed Report (November 1971). https://fraser.stlouisfed.org/title/58/item/22279, accessed on April 19, 2024.
United States. Bureau of Labor Statistics. "November 1971," CPI Detailed Report (November 1971). https://fraser.stlouisfed.org/title/58/item/22279, accessed on April 19, 2024.