Não informado. (1931). Bulletin of the San Diego County Dental Society. San Diego County Dental Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Bulletin of the San Diego County Dental Society. San Diego, Calif: San Diego County Dental Society, 1931.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Bulletin of the San Diego County Dental Society. San Diego County Dental Society, 1931.
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