Não informado. (1967). 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, 1967.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Scandinavian Journal of Urology and Nephrology. Scandinavian Association of Urology, 1967.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.