Standard industrial classification manual.
Prepared by the Technical Committee on Industrial Classification, Division of Statistical Standards.
APA Citation
United States. Technical Committee on Industrial Classification. (194549). Standard industrial classification manual. Washington: U.S. Govt. Print. Off..
MLA Citation
United States. Technical Committee on Industrial Classification. Standard Industrial Classification Manual. Washington: U.S. Govt. Print. Off., 194549.
Warning: These citations may not always be complete (especially for serials).