United States. Bureau of Labor Statistics. "August 1999," CPI Detailed Report (August 1999). https://fraser.stlouisfed.org/title/58/item/19503, accessed on June 17, 2024.
United States. Bureau of Labor Statistics. "August 1999," CPI Detailed Report (August 1999). https://fraser.stlouisfed.org/title/58/item/19503, accessed on June 17, 2024.