Cimafranca, E. B. (1969). The metaphysical background of situation ethics.
芝加哥风格引文Cimafranca, Eliseo B. The Metaphysical Background of Situation Ethics. [Cebu City], 1969.
MLA引文Cimafranca, Eliseo B. The Metaphysical Background of Situation Ethics. 1969.
警告：这些引文格式不一定是100％准确.