Não informado. (1963). Vital and health statistics. National Center for Health Statistics.
Chicago Style (17th ed.) CitationNão informado. Vital and Health Statistics. Washington: National Center for Health Statistics, 1963.
MLA (8th ed.) CitationNão informado. Vital and Health Statistics. National Center for Health Statistics, 1963.
Warning: These citations may not always be 100% accurate.