United States. Bureau of Labor Statistics. "Charts," in United States. Bureau of Labor Statistics. "March 2004," PPI Detailed Report (March 2004) : 10-12. https://fraser.stlouisfed.org/title/63/item/21821/toc/88733 , accessed on April 23, 2024.
United States. Bureau of Labor Statistics. "Charts," in United States. Bureau of Labor Statistics. "March 2004," PPI Detailed Report (March 2004) : 10-12. https://fraser.stlouisfed.org/title/63/item/21821/toc/88733 , accessed on April 23, 2024.