Thomas, R. M. (1955). Ways of teaching in elementary schools. Longmans.
芝加哥风格引文Thomas, Robert Murray. Ways of Teaching in Elementary Schools. New York: Longmans, 1955.
MLA引文Thomas, Robert Murray. Ways of Teaching in Elementary Schools. Longmans, 1955.
警告：这些引文格式不一定是100％准确.