Não informado. (1978). Quarterly Bibliography of Major Tropical Diseases. National Library of Medicine.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Quarterly Bibliography of Major Tropical Diseases. Bethesda, Md: National Library of Medicine, 1978.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Quarterly Bibliography of Major Tropical Diseases. National Library of Medicine, 1978.
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