GREENLAW, M., & BARTON, G. (1972). Stepping stones. Harper and Row.
芝加哥风格引文GREENLAW, M.Jean, 与 Gretchen BARTON. Stepping Stones. New York: Harper and Row, 1972.
MLA引文GREENLAW, M.Jean, 与 Gretchen BARTON. Stepping Stones. Harper and Row, 1972.
警告：这些引文格式不一定是100％准确.