United States. Bureau of Labor Statistics. "Contents," in United States. Bureau of Labor Statistics. "June 2016," PPI Detailed Report (June 2016) : 2-2. https://fraser.stlouisfed.org/title/63/item/532379/toc/518150 , accessed on April 18, 2024.
United States. Bureau of Labor Statistics. "Contents," in United States. Bureau of Labor Statistics. "June 2016," PPI Detailed Report (June 2016) : 2-2. https://fraser.stlouisfed.org/title/63/item/532379/toc/518150 , accessed on April 18, 2024.