Nyhus, L. M. . . . . . <. (1987). Controversies in colon cancer: Problems in general surgery.
芝加哥风格引文Nyhus, Lloyd M <r>edt</r>. Controversies in Colon Cancer: Problems in General Surgery. 1987.
MLA引文Nyhus, Lloyd M <r>edt</r>. Controversies in Colon Cancer: Problems in General Surgery. 1987.
警告：这些引文格式不一定是100％准确.