Standard occupational classification manual /

Washington, DC : Alexandria, VA : For sale by the Supt. of Docs., U.S. G.P.O. ; Distributed by the National Technical Information Service, U.S. Dept. of Commerce, 2010
2010 [ed.], 2nd print.

Standard occupational classification manual : based on information from the U.S. Office of Management and Budget.

Indianapolis, IN : JIST Works, 2002

Standard occupational classification manual.

[Washington, D.C.?] : United States Department of Commerce, Office of Federal Statistical Policy and Standards : [Supt. of Docs., U.S. G.P.O., distributor], 1980
[2nd ed.].

Standard occupational classification manual.

[Washington, D.C.] :; [Washington, D.C.] : U.S. Department of Commerce, Office of Federal Statistical Policy and Standards,; Executive Office of the President, Office of Management and Budget, 1977; 2000