APA (7th ed.) Zitazioa

European Commission. (1999). EU focus on waste management. European Communities.

Chicago Style (17th ed.) Zitazioa

European Commission. EU Focus on Waste Management. Luxemburgo: European Communities, 1999.

MLA (9th ed.) Zitazioa

European Commission. EU Focus on Waste Management. European Communities, 1999.