Barell, J. (1980). Playgrounds of our minds. Teachers College Press.
芝加哥风格引文Barell, John. Playgrounds of Our Minds. New York: Teachers College Press, 1980.
MLA引文Barell, John. Playgrounds of Our Minds. Teachers College Press, 1980.
警告：这些引文格式不一定是100％准确.