Exploring Careers: Sales Occupations : Bulletin of the United States Bureau of Labor Statistics, No. 2001-6
United States. Bureau of Labor Statistics. "Exploring Careers: Sales Occupations : Bulletin of the United States Bureau of Labor Statistics, No. 2001-6" in Exploring Careers (1979). https://fraser.stlouisfed.org/title/4731/item/499429, accessed on March 28, 2024.