United States. Bureau of Labor Statistics, ebrary, Inc, & Ryan, M. M. (2011). Handbook of U.S. labor statistics: Employment, earnings, prices, productivity, and other labor data (14th ed., 2011.). Bernan Press.
芝加哥风格引文United States. Bureau of Labor Statistics, Inc ebrary, 与 Mary Meghan Ryan. Handbook of U.S. Labor Statistics: Employment, Earnings, Prices, Productivity, and Other Labor Data. 14th ed., 2011. Lanham, MD: Bernan Press, 2011.
MLA引文United States. Bureau of Labor Statistics, et al. Handbook of U.S. Labor Statistics: Employment, Earnings, Prices, Productivity, and Other Labor Data. 14th ed., 2011. Bernan Press, 2011.
警告：这些引文格式不一定是100％准确.