APA (7th ed.) Citation

United Nations. Department of International Economic and Social Affairs & United Nations. Statistical Office. (1990). International standard industrial classification of all economic activities (3rd revision.). United Nations.

Chicago Style (17th ed.) Citation

United Nations. Department of International Economic and Social Affairs and United Nations. Statistical Office. International Standard Industrial Classification of All Economic Activities. 3rd revision. New York: United Nations, 1990.

MLA (9th ed.) Citation

United Nations. Department of International Economic and Social Affairs and United Nations. Statistical Office. International Standard Industrial Classification of All Economic Activities. 3rd revision. United Nations, 1990.

Warning: These citations may not always be 100% accurate.