Não informado. (1972). Health Services Reports. Health Services and Mental Health Administration.
Chicago-referens (17:e uppl.)Não informado. Health Services Reports. Rockville, Md: Health Services and Mental Health Administration, 1972.
MLA-referens (8:e uppl.)Não informado. Health Services Reports. Health Services and Mental Health Administration, 1972.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.