Não informado. (1984). Health Progress. Catholic Health Association of the United States.
Chicago-Zitierstil (17. Ausg.)Não informado. Health Progress. Saint Louis, Mo: Catholic Health Association of the United States, 1984.
MLA-Zitierstil (8. Ausg.)Não informado. Health Progress. Catholic Health Association of the United States, 1984.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.