Não informado. (2012). Quarterly Bulletin of Northwestern University Medical School. Northwestern University Medical School.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Quarterly Bulletin of Northwestern University Medical School. Chicago, Ill: Northwestern University Medical School, 2012.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Quarterly Bulletin of Northwestern University Medical School. Northwestern University Medical School, 2012.
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