Não informado. (1955). Journal of the Royal College of Surgeons of Edinburgh. Royal College of Surgeons of Edinburgh.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Journal of the Royal College of Surgeons of Edinburgh. Edinburgh, Inglaterra: Royal College of Surgeons of Edinburgh, 1955.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Journal of the Royal College of Surgeons of Edinburgh. Royal College of Surgeons of Edinburgh, 1955.
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