Não informado. (1972). Health Services Reports. Health Services and Mental Health Administration.
Chicago-Zitierstil (17. Ausg.)Não informado. Health Services Reports. Rockville, Md: Health Services and Mental Health Administration, 1972.
MLA-Zitierstil (8. Ausg.)Não informado. Health Services Reports. Health Services and Mental Health Administration, 1972.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.