Redman, S. (1997). English vocabulary in use: Pre-intermediate and intermediate (Cambridge low price editions.). Cambridge University Press.
芝加哥风格引文Redman, Stuart. English Vocabulary in Use: Pre-intermediate and Intermediate. Cambridge low price editions. Cambridge, U.K. ; New York: Cambridge University Press, 1997.
MLA引文Redman, Stuart. English Vocabulary in Use: Pre-intermediate and Intermediate. Cambridge low price editions. Cambridge University Press, 1997.
警告：这些引文格式不一定是100％准确.