Não informado. (1969). Journal of the Academy of General Dentistry. Academy of General Dentistry.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Journal of the Academy of General Dentistry. Chicago, Ill: Academy of General Dentistry, 1969.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Journal of the Academy of General Dentistry. Academy of General Dentistry, 1969.
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