Não informado. (1930). Monthly bulletin of the Indiana State Board of Health. Indiana State Board of Health.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Monthly Bulletin of the Indiana State Board of Health. Indianapolis, Ind: Indiana State Board of Health, 1930.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Monthly Bulletin of the Indiana State Board of Health. Indiana State Board of Health, 1930.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.