Area Wage Survey: The Muskegon-Muskegon Heights, Michigan, Metropolitan Area, June 1971 : Bulletin of the United States Bureau of Labor Statistics, No. 1685-82
United States. Bureau of Labor Statistics. "Area Wage Survey: The Muskegon-Muskegon Heights, Michigan, Metropolitan Area, June 1971 : Bulletin of the United States Bureau of Labor Statistics, No. 1685-82," Area Wage Survey (1971). https://fraser.stlouisfed.org/title/4655/item/498743, accessed on May 8, 2024.