United States. Bureau of Labor Statistics. "Charts," in United States. Bureau of Labor Statistics. "February 2010," PPI Detailed Report (February 2010) : 10-12. https://fraser.stlouisfed.org/title/63/item/21892/toc/208707 , accessed on May 4, 2024.
United States. Bureau of Labor Statistics. "Charts," in United States. Bureau of Labor Statistics. "February 2010," PPI Detailed Report (February 2010) : 10-12. https://fraser.stlouisfed.org/title/63/item/21892/toc/208707 , accessed on May 4, 2024.