APA (7e ed.) Bronvermelding
(2000). Air quality guidelines for Europe (Second edition.). World Health Organization Regional Office for Europe.
Chicago (17e ed.) Bronvermelding
Air Quality Guidelines for Europe. Second edition. Copenhagen, Denmark: World Health Organization Regional Office for Europe, 2000.
MLA (9e ed.) Bronvermelding
Air Quality Guidelines for Europe. Second edition. World Health Organization Regional Office for Europe, 2000.
Let op: Deze citaties zijn niet altijd 100% accuraat.