Wei, J. C. (2016). Gratian the theologian. The Catholic University of America Press.
芝加哥风格引文Wei, John C. Gratian the Theologian. Washington, D.C: The Catholic University of America Press, 2016.
MLA引文Wei, John C. Gratian the Theologian. The Catholic University of America Press, 2016.
警告：这些引文格式不一定是100％准确.