Washington, DC : The Bureau : For sale by the Supt. of Docs., U.S. G.P.O. ; Chicago, IL : Bureau of Labor Statistics, Publication Sales Center [distributor], 1996-
Washington, DC : Bureau of Labor Statistics : U.S. G.P.O., Supt. of Docs. [distributor] ; Chicago, IL : Bureau of Labor Statistics, Publications Sales Center [distributor], 1992-[1997]
Washington, DC : U.S. Dept. of Labor, Bureau of Labor Statistics : U.S. G.P.O., Supt. of Docs. [distributor] ; Chicago, IL : Bureau of Labor Statistics, Publications Sales Center [distributor], 1992-