Schecter, S. (1984). Listening task: For intermediate students of american english. Cambridge University Press.
芝加哥风格引文Schecter, Sandra. Listening Task: For Intermediate Students of American English. New York: Cambridge University Press, 1984.
MLA引文Schecter, Sandra. Listening Task: For Intermediate Students of American English. Cambridge University Press, 1984.
警告：这些引文格式不一定是100％准确.