Não informado. (1930). Monthly bulletin of the Indiana State Board of Health. Indiana State Board of Health.
Citace podle Chicago (17th ed.)Não informado. Monthly Bulletin of the Indiana State Board of Health. Indianapolis, Ind: Indiana State Board of Health, 1930.
Citace podle MLA (8th ed.)Não informado. Monthly Bulletin of the Indiana State Board of Health. Indiana State Board of Health, 1930.
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