Não informado. (1968). Scandinavian Journal of Urology and Nephrology. Scandinavian Association of Urology.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Scandinavian Journal of Urology and Nephrology. Stockholm: Scandinavian Association of Urology, 1968.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Scandinavian Journal of Urology and Nephrology. Scandinavian Association of Urology, 1968.
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