Philippines. Bureau of Labor and Employment Statistics. (1990). Occupational wages survey. Department of Labor and Employment, Bureau of Labor and Employment Statistics.
芝加哥风格引文Philippines. Bureau of Labor and Employment Statistics. Occupational Wages Survey. Manila: Department of Labor and Employment, Bureau of Labor and Employment Statistics, 1990.
MLA引文Philippines. Bureau of Labor and Employment Statistics. Occupational Wages Survey. Department of Labor and Employment, Bureau of Labor and Employment Statistics, 1990.
警告：这些引文格式不一定是100％准确.