Standard industrial classification manual.
Supplement.
APA Citation
United States. Bureau of the Budget. Office of Statistical Standards., United States. Technical Committee on Industrial Classification. (1963). Standard industrial classification manual. Washington: Office of Statistical Standards.
MLA Citation
United States. Bureau of the Budget. Office of Statistical Standards, and United States. Technical Committee on Industrial Classification. Standard Industrial Classification Manual. Washington: Office of Statistical Standards, 1963.
Warning: These citations may not always be complete (especially for serials).