Björnsson, E., Simren, M., Olsson, R., & Chapman, R. (2004). Fatigue in patients with primary sclerosing cholangitis.
芝加哥风格引文Björnsson, E., M. Simren, R. Olsson, 与 R. Chapman. Fatigue in Patients with Primary Sclerosing Cholangitis. 2004.
MLA引文Björnsson, E., et al. Fatigue in Patients with Primary Sclerosing Cholangitis. 2004.
警告：这些引文格式不一定是100％准确.