Não informado. (1913). Health bulletin. North Carolina State Board of Health.
Chicagoスタイル(17版)引用形式Não informado. Health Bulletin. Raleigh, NC: North Carolina State Board of Health, 1913.
MLA(8版)引用形式Não informado. Health Bulletin. North Carolina State Board of Health, 1913.
警告: この引用は必ずしも正確ではありません.