John Butterworth & Geoff Thwaites. (2005). Thinking skills. Cambridge University Press.
Chicago Edition CitationJohn Butterworth and Geoff Thwaites. Thinking Skills. Cambridge: Cambridge University Press, 2005.
MLA引文John Butterworth and Geoff Thwaites. Thinking Skills. Cambridge University Press, 2005.
警告：這些引文格式不一定是100％准確.