Não informado. (1953). Academy review of the California Academy of Periodontology. California Academy of Periodontology.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Academy Review of the California Academy of Periodontology. San Francisco, Calif: California Academy of Periodontology, 1953.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Academy Review of the California Academy of Periodontology. California Academy of Periodontology, 1953.
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