Não informado. (1993). Hospitals & Health Networks. American Hospital Association.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Hospitals & Health Networks. Chicago, Ill: American Hospital Association, 1993.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Hospitals & Health Networks. American Hospital Association, 1993.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.