Keith, L. G. (1968). Contemporary curriculum in the elementary school. Harper and Row.
芝加哥风格引文Keith, Lowell G. Contemporary Curriculum in the Elementary School. New York: Harper and Row, 1968.
MLA引文Keith, Lowell G. Contemporary Curriculum in the Elementary School. Harper and Row, 1968.
警告：这些引文格式不一定是100％准确.