United States. Bureau of Labor Statistics. "Price Movements," in United States. Bureau of Labor Statistics. "May 2016," PPI Detailed Report (May 2016) : 4-4. https://fraser.stlouisfed.org/title/63/item/530763/toc/517854 , accessed on April 18, 2024.
United States. Bureau of Labor Statistics. "Price Movements," in United States. Bureau of Labor Statistics. "May 2016," PPI Detailed Report (May 2016) : 4-4. https://fraser.stlouisfed.org/title/63/item/530763/toc/517854 , accessed on April 18, 2024.