European Commission (Brussels, Belgium). (1997). Annual report 97: Environment Institute ([1st ed.].). Office for Official Publications of the European Communities.
Chicago-Zitierstil (17. Ausg.)European Commission (Brussels, Belgium). Annual Report 97: Environment Institute. [1st ed.]. Luxembourg: Office for Official Publications of the European Communities, 1997.
MLA-Zitierstil (9. Ausg.)European Commission (Brussels, Belgium). Annual Report 97: Environment Institute. [1st ed.]. Office for Official Publications of the European Communities, 1997.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.