Não informado. (2000). Nursing and Health Care Perspectives. National League for Nursing.
Chicago-referens (17:e uppl.)Não informado. Nursing and Health Care Perspectives. New York: National League for Nursing, 2000.
MLA-referens (8:e uppl.)Não informado. Nursing and Health Care Perspectives. National League for Nursing, 2000.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.