Sasikumar, V. (2007). A course in listening & speaking I. Cambridge University Press.
芝加哥风格引文Sasikumar, V. A Course in Listening & Speaking I. New Delhi: Cambridge University Press, 2007.
MLA引文Sasikumar, V. A Course in Listening & Speaking I. Cambridge University Press, 2007.
警告：这些引文格式不一定是100％准确.