United States. Bureau of Labor Statistics. "Area Wage Survey: The Los Angeles-Long Beach and Anaheim- Santa Ana-Garden Grove, California, Metropolitan Areas, March 1972 : Bulletin of the United States Bureau of Labor Statistics, No. 1725-76," Area Wage Survey (1972). https://fraser.stlouisfed.org/title/4655/item/498851, accessed on December 12, 2024.