United States. Bureau of Labor Statistics. "Charts," in United States. Bureau of Labor Statistics. "May 2016," PPI Detailed Report (May 2016) : 5-12. https://fraser.stlouisfed.org/title/63/item/530763/toc/517855 , accessed on April 30, 2024.
United States. Bureau of Labor Statistics. "Charts," in United States. Bureau of Labor Statistics. "May 2016," PPI Detailed Report (May 2016) : 5-12. https://fraser.stlouisfed.org/title/63/item/530763/toc/517855 , accessed on April 30, 2024.