United States. Bureau of Labor Statistics. "June 1977," CPI Detailed Report (June 1977). https://fraser.stlouisfed.org/title/58/item/19335, accessed on May 5, 2024.
United States. Bureau of Labor Statistics. "June 1977," CPI Detailed Report (June 1977). https://fraser.stlouisfed.org/title/58/item/19335, accessed on May 5, 2024.