Não informado. (1984). Health Progress. Catholic Health Association of the United States.
Chicago-referens (17:e uppl.)Não informado. Health Progress. Saint Louis, Mo: Catholic Health Association of the United States, 1984.
MLA-referens (8:e uppl.)Não informado. Health Progress. Catholic Health Association of the United States, 1984.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.