Não informado. (1913). Health bulletin. North Carolina State Board of Health.
Style de citation Chicago (17e éd.)Não informado. Health Bulletin. Raleigh, NC: North Carolina State Board of Health, 1913.
Style de citation MLA (8e éd.)Não informado. Health Bulletin. North Carolina State Board of Health, 1913.
Attention : ces citations peuvent ne pas être correctes à 100%.