Não informado. Public Health Service Publications. U.S. Department of Health Education and Welfare.
Chicagoスタイル(17版)引用形式Não informado. Public Health Service Publications. Washington: U.S. Department of Health Education and Welfare.
MLA(8版)引用形式Não informado. Public Health Service Publications. U.S. Department of Health Education and Welfare.
警告: この引用は必ずしも正確ではありません.