APA (7. basım) Alıntı

(2000). Air quality guidelines for Europe (Second edition.). World Health Organization Regional Office for Europe.

Chicago Style (17. basım) Atıf

Air Quality Guidelines for Europe. Second edition. Copenhagen, Denmark: World Health Organization Regional Office for Europe, 2000.

MLA (9th ed.) Atıf

Air Quality Guidelines for Europe. Second edition. World Health Organization Regional Office for Europe, 2000.