Troeltsch, E. (1960). The social teaching of the christian churches. Harper Torchbooks.
芝加哥风格引文Troeltsch, Ernst. The Social Teaching of the Christian Churches. New York: Harper Torchbooks, 1960.
MLA引文Troeltsch, Ernst. The Social Teaching of the Christian Churches. Harper Torchbooks, 1960.
警告：这些引文格式不一定是100％准确.