United States. Department of Health, Education, and Welfare. HEW news. U.S. Dept. of Health, Education and Welfare.
Chicago-referens (17:e uppl.)United States. Department of Health, Education, and Welfare. HEW News. Rockville, Md.: U.S. Dept. of Health, Education and Welfare.
MLA-referens (8:e uppl.)United States. Department of Health, Education, and Welfare. HEW News. U.S. Dept. of Health, Education and Welfare.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.