APA

European Environment Agency, . (2006). Energy and environment in the European Union. Luxembourg: Office for Official Publications of the European Communities.

Chicago

European Environment Agency, . 2006. Energy and environment in the European Union. Luxembourg: Office for Official Publications of the European Communities.

Harvard

European Environment Agency, . (2006). Energy and environment in the European Union. Luxembourg: Office for Official Publications of the European Communities.

MLA

European Environment Agency, . Energy and environment in the European Union. Luxembourg: Office for Official Publications of the European Communities. 2006.