Cita APA (7a ed.)

United Nations Statistical Office & United Nations Statistical Office. (1958). International standard industrial classification of all economic activities. [s.n.].

Cita Chicago Style (17a ed.)

United Nations Statistical Office y United Nations Statistical Office. International Standard Industrial Classification of All Economic Activities. New York: [s.n.], 1958.

Cita MLA (9a ed.)

United Nations Statistical Office y United Nations Statistical Office. International Standard Industrial Classification of All Economic Activities. [s.n.], 1958.