United States. Office of Management and Budget. (1998). North American Industry Classification System, United States, 1997. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Office of Management and Budget. North American Industry Classification System, United States, 1997. [Place of publication not identified]: [publisher not identified], 1998.
MLA (9th ed.) CitationUnited States. Office of Management and Budget. North American Industry Classification System, United States, 1997. [publisher not identified], 1998.
Warning: These citations may not always be 100% accurate.