APA (7e ed.) Bronvermelding
(2020). Environment at a glance 2020. Organisation for Economic Co-Operation and Development.
Chicago (17e ed.) Bronvermelding
Environment at a Glance 2020. Paris, France: Organisation for Economic Co-Operation and Development, 2020.
MLA (9e ed.) Bronvermelding
Environment at a Glance 2020. Organisation for Economic Co-Operation and Development, 2020.
Let op: Deze citaties zijn niet altijd 100% accuraat.