Παραπομπή APA
(2005). The european environment: State and outlook 2005. Luxembourg: Office for Official Publications of the European Communities.
Παραπομπή Chicago StyleThe European Environment: State and Outlook 2005. Luxembourg: Office for Official Publications of the European Communities, 2005.
Παραπομπή MLAThe European Environment: State and Outlook 2005. Luxembourg: Office for Official Publications of the European Communities, 2005.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.