Não informado. (1933). Journal of the American Association of Nurse Anesthetists. American Association of Nurse Anesthetists.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Journal of the American Association of Nurse Anesthetists. Chicago, Ill: American Association of Nurse Anesthetists, 1933.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Journal of the American Association of Nurse Anesthetists. American Association of Nurse Anesthetists, 1933.
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