Não informado. (1970). Journal of the American Society for Preventive Dentistry. American Society for Preventive Dentistry.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Journal of the American Society for Preventive Dentistry. Chicago, Ill: American Society for Preventive Dentistry, 1970.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Journal of the American Society for Preventive Dentistry. American Society for Preventive Dentistry, 1970.
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