Standard occupational classification manual 1977, index.

APA Citation

United States. Office of Management and Budget. Statistical Policy Division., United States. Office of Federal Statistical Policy and Standards. (1978). Standard occupational classification manual 1977, index. [Washington, D.C.]: U.S. Dept. of Commerce, Office of Federal Statistical Policy and Standards; for sale by the Supt. of Docs., U.S. Govt. Print. Off..

MLA Citation

United States. Office of Management and Budget. Statistical Policy Division, and United States. Office of Federal Statistical Policy and Standards. Standard Occupational Classification Manual 1977, Index. [Washington, D.C.]: U.S. Dept. of Commerce, Office of Federal Statistical Policy and Standards; for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1978.