United Nations, E. P. (1975). Draft report on a conceptual framework for environmentally sound and appropiate technologies. IDICSO.
Cita Chicago Style (17a ed.)United Nations, Environmental Programme. Draft Report on a Conceptual Framework for Environmentally Sound and Appropiate Technologies. IDICSO, 1975.
Cita MLA (8a ed.)United Nations, Environmental Programme. Draft Report on a Conceptual Framework for Environmentally Sound and Appropiate Technologies. IDICSO, 1975.
Precaución: Estas citas no son 100% exactas.