Hewings, M. (1999). Advanced English grammar: A self reference and practice book for advanced South Asian students. Foundation Books ; Cambridge University Press.
芝加哥风格引文Hewings, Martin. Advanced English Grammar: A Self Reference and Practice Book for Advanced South Asian Students. New Delhi : Cambridge: Foundation Books ; Cambridge University Press, 1999.
MLA引文Hewings, Martin. Advanced English Grammar: A Self Reference and Practice Book for Advanced South Asian Students. Foundation Books ; Cambridge University Press, 1999.
警告：这些引文格式不一定是100％准确.