APA

Office for Official Publications of the European Communities E., Theme 8: Environment and energy & Key indicators. (2001). Integration. Luxemburg: Office for Official Publications of the European Communities, EUR-OP.

Chicago

Office for Official Publications of the European Communities EUR-OP, Theme 8: Environment and energy and Key indicators. 2001. Integration. Luxemburg: Office for Official Publications of the European Communities, EUR-OP.

Harvard

Office for Official Publications of the European Communities E., Theme 8: Environment and energy and Key indicators. (2001). Integration. Luxemburg: Office for Official Publications of the European Communities, EUR-OP.

MLA

Office for Official Publications of the European Communities EUR-OP, Theme 8: Environment and energy and Key indicators. Integration. Luxemburg: Office for Official Publications of the European Communities, EUR-OP. 2001.