Não informado. (1963). Vital and health statistics. National Center for Health Statistics.
Chicagoスタイル(17版)引用形式Não informado. Vital and Health Statistics. Washington: National Center for Health Statistics, 1963.
MLA(8版)引用形式Não informado. Vital and Health Statistics. National Center for Health Statistics, 1963.
警告: この引用は必ずしも正確ではありません.