International Federation of Consulting Engineers & United Nations Environment Programme. Division of Technology, Industry and Economics. (2002). Industry as a partner for sustainable development: Consulting engineering. International Federation of Consulting Engineers, United Nations Environment Programme.
Παραπομπή σε μορφή Chicago (17η εκδ.)International Federation of Consulting Engineers και Industry and Economics United Nations Environment Programme. Division of Technology. Industry as a Partner for Sustainable Development: Consulting Engineering. Lausanne : Paris: International Federation of Consulting Engineers, United Nations Environment Programme, 2002.
Παραπομπή σε μορφή MLA (9th εκδ.)International Federation of Consulting Engineers και Industry and Economics United Nations Environment Programme. Division of Technology. Industry as a Partner for Sustainable Development: Consulting Engineering. International Federation of Consulting Engineers, United Nations Environment Programme, 2002.