Não informado. (1930). Monthly bulletin of the Indiana State Board of Health. Indiana State Board of Health.
Chicago-Zitierstil (17. Ausg.)Não informado. Monthly Bulletin of the Indiana State Board of Health. Indianapolis, Ind: Indiana State Board of Health, 1930.
MLA-Zitierstil (8. Ausg.)Não informado. Monthly Bulletin of the Indiana State Board of Health. Indiana State Board of Health, 1930.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.