Occupational Wage Survey: San Bernardino-Riverside-Ontario, California, September 1963 : Bulletin of the United States Bureau of Labor Statistics, No. 1385-9
United States. Bureau of Labor Statistics. "Occupational Wage Survey: San Bernardino-Riverside-Ontario, California, September 1963 : Bulletin of the United States Bureau of Labor Statistics, No. 1385-9," Occupational Wage Survey (1963). https://fraser.stlouisfed.org/title/4510/item/497830, accessed on May 30, 2024.