Dawson, E. (1927). Teaching the social studies. The Macmillan company.
芝加哥风格引文Dawson, Edgar. Teaching the Social Studies. New York: The Macmillan company, 1927.
MLA引文Dawson, Edgar. Teaching the Social Studies. The Macmillan company, 1927.
警告：这些引文格式不一定是100％准确.