Boberg, K., Bergquist, A., Mitchell, S., Pares, A., Rosina, F., Broomé, U., . . . Schrumpf, E. (2002). Cholangiocarcinoma in primary sclerosing cholangitis: Risk factors and clinical presentation.
芝加哥风格引文Boberg, K., et al. Cholangiocarcinoma in Primary Sclerosing Cholangitis: Risk Factors and Clinical Presentation. 2002.
MLA引文Boberg, K., et al. Cholangiocarcinoma in Primary Sclerosing Cholangitis: Risk Factors and Clinical Presentation. 2002.
警告：这些引文格式不一定是100％准确.