United States. Bureau of Labor Statistics. "Price Movements," in United States. Bureau of Labor Statistics. "July 1992," PPI Detailed Report (July 1992) : 5-7. https://fraser.stlouisfed.org/title/63/item/21681/toc/392580 , accessed on May 12, 2024.
United States. Bureau of Labor Statistics. "Price Movements," in United States. Bureau of Labor Statistics. "July 1992," PPI Detailed Report (July 1992) : 5-7. https://fraser.stlouisfed.org/title/63/item/21681/toc/392580 , accessed on May 12, 2024.