United States. Bureau of Labor Statistics. "Charts," in United States. Bureau of Labor Statistics. "August 2015," PPI Detailed Report (August 2015) : 10-13. https://fraser.stlouisfed.org/title/63/item/500040/toc/513281 , accessed on June 27, 2024.
United States. Bureau of Labor Statistics. "Charts," in United States. Bureau of Labor Statistics. "August 2015," PPI Detailed Report (August 2015) : 10-13. https://fraser.stlouisfed.org/title/63/item/500040/toc/513281 , accessed on June 27, 2024.