Parrott, M. (2000). Grammar for english language teachers. Cambridge University Press.
芝加哥风格引文Parrott, Martin. Grammar for English Language Teachers. Ambridge: Cambridge University Press, 2000.
MLA引文Parrott, Martin. Grammar for English Language Teachers. Cambridge University Press, 2000.
警告：这些引文格式不一定是100％准确.