United States. Bureau of Labor Statistics. "August 1967," CPI Detailed Report (August 1967). https://fraser.stlouisfed.org/title/58/item/22127, accessed on April 18, 2024.
United States. Bureau of Labor Statistics. "August 1967," CPI Detailed Report (August 1967). https://fraser.stlouisfed.org/title/58/item/22127, accessed on April 18, 2024.