Programa de les Nacions Unides per a la Defensa del Medi & El-Hinnawi, E. E. (1981). The Environmental impacts of production and use of energy: An assessment prepared by the United Nations Environment Programme. Tycooly Press for U.N. Environment Programme.
Cita Chicago Style (17a ed.)Programa de les Nacions Unides per a la Defensa del Medi y Essam E. El-Hinnawi. The Environmental Impacts of Production and Use of Energy: An Assessment Prepared by the United Nations Environment Programme. Dublin: Tycooly Press for U.N. Environment Programme, 1981.
Cita MLA (9a ed.)Programa de les Nacions Unides per a la Defensa del Medi y Essam E. El-Hinnawi. The Environmental Impacts of Production and Use of Energy: An Assessment Prepared by the United Nations Environment Programme. Tycooly Press for U.N. Environment Programme, 1981.
