APA-referens (7:e uppl.)
Organisation for Economic Co-operation and Development. (2018). OECD environmental performance reviews: Hungary. Organisation for Economic Co-Operation and Development.
Chicago-referens (17:e uppl.)
Organisation for Economic Co-operation and Development. OECD Environmental Performance Reviews: Hungary. Paris, France: Organisation for Economic Co-Operation and Development, 2018.
MLA-referens (9:e uppl.)
Organisation for Economic Co-operation and Development. OECD Environmental Performance Reviews: Hungary. Organisation for Economic Co-Operation and Development, 2018.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.