United States. Bureau of Labor Statistics. "Price Movements," in United States. Bureau of Labor Statistics. "May 2010," PPI Detailed Report (May 2010) : 4-7. https://fraser.stlouisfed.org/title/63/item/21894/toc/81222 , accessed on May 1, 2024.
United States. Bureau of Labor Statistics. "Price Movements," in United States. Bureau of Labor Statistics. "May 2010," PPI Detailed Report (May 2010) : 4-7. https://fraser.stlouisfed.org/title/63/item/21894/toc/81222 , accessed on May 1, 2024.