European Commission. (2000). Energy, environment and sustainable development: Programme for research, technological development and demonstration under the fifth framework programme. Office for Official Publications of the European Communities.
Παραπομπή σε μορφή Chicago (17η εκδ.)European Commission. Energy, Environment and Sustainable Development: Programme for Research, Technological Development and Demonstration Under the Fifth Framework Programme. Luxembourg: Office for Official Publications of the European Communities, 2000.
Παραπομπή σε μορφή MLA (8th εκδ.)European Commission. Energy, Environment and Sustainable Development: Programme for Research, Technological Development and Demonstration Under the Fifth Framework Programme. Office for Official Publications of the European Communities, 2000.
