Cita APA

United Nations Industrial Development Organization, V. (1978). Information sources on the petrochemical industry. United Nations.

Citación estilo Chicago

United Nations Industrial Development Organization, Vienna. Information Sources On the Petrochemical Industry. New York: United Nations, 1978.

Cita MLA

United Nations Industrial Development Organization, Vienna. Information Sources On the Petrochemical Industry. New York: United Nations, 1978.