Kristensen, J. K. (1979). Ultrasonic scanning of the kidneys. s.n.] ; Stockholm : distributed by Almqvist & Wiksell.
Lua i Stíl Chicago (17ú heag.)Kristensen, J̧ırgen Kvist. Ultrasonic Scanning of the Kidneys. [s.l.: s.n.] ; Stockholm : distributed by Almqvist & Wiksell, 1979.
Lua MLA (8ú heag.)Kristensen, J̧ırgen Kvist. Ultrasonic Scanning of the Kidneys. s.n.] ; Stockholm : distributed by Almqvist & Wiksell, 1979.
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