Παραπομπή σε μορφή APA (7η εκδ.)

World Health Organization Regional Office for Europe. (1987). Air quality guidelines for Europe. WHO Regional Publications.

Παραπομπή σε μορφή Chicago (17η εκδ.)

World Health Organization Regional Office for Europe. Air Quality Guidelines for Europe. Copenhagen: WHO Regional Publications, 1987.

Παραπομπή σε μορφή MLA (8th εκδ.)

World Health Organization Regional Office for Europe. Air Quality Guidelines for Europe. WHO Regional Publications, 1987.