APA-referens (7:e uppl.)
(2020). Environment at a glance 2020. Organisation for Economic Co-Operation and Development.
Chicago-referens (17:e uppl.)
Environment at a Glance 2020. Paris, France: Organisation for Economic Co-Operation and Development, 2020.
MLA-referens (9:e uppl.)
Environment at a Glance 2020. Organisation for Economic Co-Operation and Development, 2020.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.