APA-referens (7:e uppl.)
(2001). Environmental performance reviews: Achievements in OECD countries. OECD Publications Services.
Chicago-referens (17:e uppl.)
Environmental Performance Reviews: Achievements in OECD Countries. Paris, France: OECD Publications Services, 2001.
MLA-referens (9:e uppl.)
Environmental Performance Reviews: Achievements in OECD Countries. OECD Publications Services, 2001.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.