United States. Bureau of Labor Statistics. "Charts," in United States. Bureau of Labor Statistics. "June 2013," PPI Detailed Report (June 2013) : 8-10. https://fraser.stlouisfed.org/title/63/item/21931/toc/217128 , accessed on April 28, 2024.
United States. Bureau of Labor Statistics. "Charts," in United States. Bureau of Labor Statistics. "June 2013," PPI Detailed Report (June 2013) : 8-10. https://fraser.stlouisfed.org/title/63/item/21931/toc/217128 , accessed on April 28, 2024.