United States. Office of Management and Budget. Statistical Policy Division & United States. Office of Federal Statistical Policy and Standards. Index, standard occupational classification manual 1977.
Chicago Style (17th ed.) CitationUnited States. Office of Management and Budget. Statistical Policy Division and United States. Office of Federal Statistical Policy and Standards. Index, Standard Occupational Classification Manual 1977.
MLA (9th ed.) CitationUnited States. Office of Management and Budget. Statistical Policy Division and United States. Office of Federal Statistical Policy and Standards. Index, Standard Occupational Classification Manual 1977.
Warning: These citations may not always be 100% accurate.