APA (7th ed.) Zitazioa

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.

Chicago Style (17th ed.) Zitazioa

United States. Bureau of Labor Statistics, Inc ebrary, eta 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 (9th ed.) Zitazioa

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.