United States. Bureau of Labor Statistics. "June 1987," CPI Detailed Report (June 1987). https://fraser.stlouisfed.org/title/58/item/19276, accessed on March 18, 2024.
United States. Bureau of Labor Statistics. "June 1987," CPI Detailed Report (June 1987). https://fraser.stlouisfed.org/title/58/item/19276, accessed on March 18, 2024.