Não informado. (1965). Vital and health statistics. National Center for Health Statistics.
Style de citation Chicago (17e éd.)Não informado. Vital and Health Statistics. Washington: National Center for Health Statistics, 1965.
Style de citation MLA (8e éd.)Não informado. Vital and Health Statistics. National Center for Health Statistics, 1965.
Attention : ces citations peuvent ne pas être correctes à 100%.