APA
Consultation on the Petrochemical Industry, United Nations Industrial Development Organization, . (1985). Third consultation on the petro-chemical industry, Vienna, Austria, 2-6 December 1985. Vienna: United Nations Industrial Development Organization.
Chicago
Consultation on the Petrochemical Industry, United Nations Industrial Development Organization, . 1985. Third consultation on the petro-chemical industry, Vienna, Austria, 2-6 December 1985. Vienna: United Nations Industrial Development Organization.
Harvard
Consultation on the Petrochemical Industry, United Nations Industrial Development Organization, . (1985). Third consultation on the petro-chemical industry, Vienna, Austria, 2-6 December 1985. Vienna: United Nations Industrial Development Organization.
MLA
Consultation on the Petrochemical Industry, United Nations Industrial Development Organization, . Third consultation on the petro-chemical industry, Vienna, Austria, 2-6 December 1985. Vienna: United Nations Industrial Development Organization. 1985.