Gower R. Roger. (2011). Grammar in practice 4: 40 units of self-study grammar exercises with tests (5th ed.). Edinburgh, Cambridge University Press, 2011.
Chicago Style (17th ed.) CitationGower R. Roger. Grammar in Practice 4: 40 Units of Self-study Grammar Exercises with Tests. 5th ed. Edinburgh, Cambridge University Press, 2011, 2011.
MLA (9th ed.) CitationGower R. Roger. Grammar in Practice 4: 40 Units of Self-study Grammar Exercises with Tests. 5th ed. Edinburgh, Cambridge University Press, 2011, 2011.
Warning: These citations may not always be 100% accurate.