Nyhus, L. M. (1987). Controversies in colon cancer: Problems in general surgery. Mcallister.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNyhus, Lloyd M^redt. Controversies in Colon Cancer: Problems in General Surgery. Philadelphia: Mcallister, 1987.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNyhus, Lloyd M^redt. Controversies in Colon Cancer: Problems in General Surgery. Mcallister, 1987.
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