Παραπομπή σε μορφή APA (7η εκδ.)

World Health Organization. (2000). Air quality guidelines for europe (2nd-ed.). World Health Organization.

Παραπομπή σε μορφή Chicago (17η εκδ.)

World Health Organization. Air Quality Guidelines for Europe. 2nd-ed. Copenhagen: World Health Organization, 2000.

Παραπομπή σε μορφή MLA (8th εκδ.)

World Health Organization. Air Quality Guidelines for Europe. 2nd-ed. World Health Organization, 2000.