United States. Bureau of Labor Statistics. "National Compensation Survey: Wages and Salaries, Amarillo, TX, August 1997 : Bulletin of the United States Bureau of Labor Statistics, No. 3090-24,"
National Compensation Survey (Wages and Salaries)
(February 1998).
https://fraser.stlouisfed.org/title/6009/item/582264, accessed on January 5, 2026.