Soars, L., & Soars, J. (1998). New headway english course. Oxford University Press.
芝加哥风格引文Soars, Liz, 与 John Soars. New Headway English Course. New York: Oxford University Press, 1998.
MLA引文Soars, Liz, 与 John Soars. New Headway English Course. Oxford University Press, 1998.
警告：这些引文格式不一定是100％准确.