Hemmings, R. (1973). Children's freedom: A. S. Neill and the evolution of the Summerhill idea. Schocken Books.
芝加哥风格引文Hemmings, Ray. Children's Freedom: A. S. Neill and the Evolution of the Summerhill Idea. New York: Schocken Books, 1973.
MLA引文Hemmings, Ray. Children's Freedom: A. S. Neill and the Evolution of the Summerhill Idea. Schocken Books, 1973.
警告：这些引文格式不一定是100％准确.