APA-Zitierstil (7. Ausg.)

(2005). A quality environment: How the EU is contributing. Office for Official Publications of the European Communities.

Chicago-Zitierstil (17. Ausg.)

A Quality Environment: How the EU Is Contributing. Luxembourg: Office for Official Publications of the European Communities, 2005.

MLA-Zitierstil (9. Ausg.)

A Quality Environment: How the EU Is Contributing. Office for Official Publications of the European Communities, 2005.