Não informado. (2021). Environmental Health Criteria. World Health Organization.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Environmental Health Criteria. Geneva, Suíça: World Health Organization, 2021.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Environmental Health Criteria. World Health Organization, 2021.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.