Não informado. (1959). Cancer current literature index. Excerpta Medica Foundation for American Cancer Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Cancer Current Literature Index. Amsterdam: Excerpta Medica Foundation for American Cancer Society, 1959.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Cancer Current Literature Index. Excerpta Medica Foundation for American Cancer Society, 1959.
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