Dyfyniad APA

United States. Department of Health, Education, and Welfare. HEW news. U.S. Dept. of Health, Education and Welfare.

Dyfyniad Arddull Chicago

United States. Department of Health, Education, and Welfare. HEW News. Rockville, Md.: U.S. Dept. of Health, Education and Welfare.

Dyfyniad MLA

United States. Department of Health, Education, and Welfare. HEW News. U.S. Dept. of Health, Education and Welfare.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.