APA

Symposium International E. S. E. T. a. t. T. t. D. C. a. E. E. i. T. M. 2. o. 1., Italia. Ministry of Environmnet & Italia. Ministry of Industry. (1991). ESETT '91. Milán: s.n.

Chicago

Symposium International Environmentally Sound Energy Technologies and their Transfer to Developing Countries and European Economies in Transition Milan 21-25 ocotober 1991, Italia. Ministry of Environmnet and Italia. Ministry of Industry. 1991. ESETT '91. Milán: s.n.

Harvard

Symposium International E. S. E. T. a. t. T. t. D. C. a. E. E. i. T. M. 2. o. 1., Italia. Ministry of Environmnet and Italia. Ministry of Industry. (1991). ESETT '91. Milán: s.n.

MLA

Symposium International Environmentally Sound Energy Technologies and their Transfer to Developing Countries and European Economies in Transition Milan 21-25 ocotober 1991, Italia. Ministry of Environmnet and Italia. Ministry of Industry. ESETT '91. Milán: s.n. 1991.