Não informado. (1942). Monthly bulletin of the Ministry of Health and the Public Health Laboratory Service. Ministry of Health, Public Health Laboratory Service.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Monthly Bulletin of the Ministry of Health and the Public Health Laboratory Service. London: Ministry of Health, Public Health Laboratory Service, 1942.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Monthly Bulletin of the Ministry of Health and the Public Health Laboratory Service. Ministry of Health, Public Health Laboratory Service, 1942.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.