Handbook of Labor Statistics : Part 1 : Bulletin of the United States Bureau of Labor Statistics, No. 2175
United States. Bureau of Labor Statistics. "Handbook of Labor Statistics : Part 1 : Bulletin of the United States Bureau of Labor Statistics, No. 2175," Handbook of Labor Statistics (December 1983). https://fraser.stlouisfed.org/title/4025/item/529779/content/pdf/bls_2175_1983_pt1, accessed on May 9, 2024.