United States. Bureau of Labor Statistics. "Price Movements," in United States. Bureau of Labor Statistics. "June 2002," PPI Detailed Report (June 2002) : 5-9. https://fraser.stlouisfed.org/title/63/item/21795/toc/238730 , accessed on May 4, 2024.
United States. Bureau of Labor Statistics. "Price Movements," in United States. Bureau of Labor Statistics. "June 2002," PPI Detailed Report (June 2002) : 5-9. https://fraser.stlouisfed.org/title/63/item/21795/toc/238730 , accessed on May 4, 2024.