Não informado. (1972). Environmental Health Perspectives. National Institute of Environmenatl Health Sciences.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Environmental Health Perspectives. Research Triangle Park, NC: National Institute of Environmenatl Health Sciences, 1972.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Environmental Health Perspectives. National Institute of Environmenatl Health Sciences, 1972.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.