Não informado. (1993). Hospitals & Health Networks. American Hospital Association.
Chicago-referens (17:e uppl.)Não informado. Hospitals & Health Networks. Chicago, Ill: American Hospital Association, 1993.
MLA-referens (8:e uppl.)Não informado. Hospitals & Health Networks. American Hospital Association, 1993.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.