Não informado. (1984). Health Progress. Catholic Health Association of the United States.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Health Progress. Saint Louis, Mo: Catholic Health Association of the United States, 1984.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Health Progress. Catholic Health Association of the United States, 1984.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.