Filler, L. (1963). A dictionary of American social reform. Philosophical Library.
芝加哥风格引文Filler, Louis. A Dictionary of American Social Reform. New York: Philosophical Library, 1963.
MLA引文Filler, Louis. A Dictionary of American Social Reform. Philosophical Library, 1963.
警告：这些引文格式不一定是100％准确.