Cessario, R. (2001). Introduction to moral theology. Catholic University of America Press.
芝加哥风格引文Cessario, Romanus. Introduction to Moral Theology. Washington, District of Columbia: Catholic University of America Press, 2001.
MLA引文Cessario, Romanus. Introduction to Moral Theology. Catholic University of America Press, 2001.
警告：这些引文格式不一定是100％准确.