Não informado. (1974). Annual Index of Rheumatology. American Rheumatism Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Annual Index of Rheumatology. New York: American Rheumatism Association, 1974.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Annual Index of Rheumatology. American Rheumatism Association, 1974.
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