APA (7th ed.) Zitazioa

(2002). Environmental performance reviews: Slovak Republic. OECD.

Chicago Style (17th ed.) Zitazioa

Environmental Performance Reviews: Slovak Republic. Paris, Cedex, France: OECD, 2002.

MLA (9th ed.) Zitazioa

Environmental Performance Reviews: Slovak Republic. OECD, 2002.