United States. Bureau of Labor Statistics. "Charts," in United States. Bureau of Labor Statistics. "August 2014," PPI Detailed Report (August 2014) : 9-12. https://fraser.stlouisfed.org/title/63/item/475829/toc/501107 , accessed on April 25, 2024.
United States. Bureau of Labor Statistics. "Charts," in United States. Bureau of Labor Statistics. "August 2014," PPI Detailed Report (August 2014) : 9-12. https://fraser.stlouisfed.org/title/63/item/475829/toc/501107 , accessed on April 25, 2024.