United States. Bureau of Labor Statistics, ebrary, Inc, & Ryan, M. M. (2010). Handbook of U.S. labor statistics: Employment, earnings, prices, productivity, and other labor data (13th ed., 2010.). Bernan Press.
Chicago-referens (17:e uppl.)United States. Bureau of Labor Statistics, Inc ebrary, och Mary Meghan Ryan. Handbook of U.S. Labor Statistics: Employment, Earnings, Prices, Productivity, and Other Labor Data. 13th ed., 2010. Lanham, MD: Bernan Press, 2010.
MLA-referens (9:e uppl.)United States. Bureau of Labor Statistics, et al. Handbook of U.S. Labor Statistics: Employment, Earnings, Prices, Productivity, and Other Labor Data. 13th ed., 2010. Bernan Press, 2010.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.