Puchta, H., & Stranks, J. (2004). English in mind: Class audio Cds 2. Cambridge University Press.
芝加哥风格引文Puchta, Herbert, 与 Jeff Stranks. English in Mind: Class Audio Cds 2. Cambridge: Cambridge University Press, 2004.
MLA引文Puchta, Herbert, 与 Jeff Stranks. English in Mind: Class Audio Cds 2. Cambridge University Press, 2004.
警告：这些引文格式不一定是100％准确.