Thomson, A. A practical english grammar: Exercise 2 (3rd ed.). Oxford: Oxford University Press: 1997.
Chicago Style CitationThomson, A.J. A Practical English Grammar: Exercise 2. 3rd ed. Oxford: Oxford University Press: 1997.
MLA CitationThomson, A.J. A Practical English Grammar: Exercise 2. 3rd ed. Oxford: Oxford University Press: 1997.
Warning: These citations may not always be 100% accurate.