Não informado. Studies from the Connaught Medical Research Laboratories and School of Hygiene. University of Toronto.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Studies from the Connaught Medical Research Laboratories and School of Hygiene. Toronto, Canada: University of Toronto.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Studies from the Connaught Medical Research Laboratories and School of Hygiene. University of Toronto.
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