Maggs, J., & Chapman, R. (2008). An update on primary sclerosing cholangitis.
芝加哥风格引文Maggs, JR, 与 R. Chapman. An Update on Primary Sclerosing Cholangitis. 2008.
MLA引文Maggs, JR, 与 R. Chapman. An Update on Primary Sclerosing Cholangitis. 2008.
警告：这些引文格式不一定是100％准确.