Cita APA (7a ed.)

Estados Unidos. Executive Office of the President. Office of Management and Budget. (1988). Standard industrial classification manual 1987. Executive Office of the President.

Cita Chicago Style (17a ed.)

Estados Unidos. Executive Office of the President. Office of Management and Budget. Standard Industrial Classification Manual 1987. Washington: Executive Office of the President, 1988.

Cita MLA (9a ed.)

Estados Unidos. Executive Office of the President. Office of Management and Budget. Standard Industrial Classification Manual 1987. Executive Office of the President, 1988.