Organisation for Economic Co-operation and Development. (1999). Environmental performance reviews. OECD.
Chicago-referens (17:e uppl.)Organisation for Economic Co-operation and Development. Environmental Performance Reviews. Paris: OECD, 1999.
MLA-referens (9:e uppl.)Organisation for Economic Co-operation and Development. Environmental Performance Reviews. OECD, 1999.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.