United States. Bureau of Labor Statistics. "July 1977," CPI Detailed Report (July 1977). https://fraser.stlouisfed.org/title/58/item/19336, accessed on March 18, 2024.
United States. Bureau of Labor Statistics. "July 1977," CPI Detailed Report (July 1977). https://fraser.stlouisfed.org/title/58/item/19336, accessed on March 18, 2024.