Gower R. Roger. (2004). Grammar in practice 3: 40 units of self-study grammar exercises. Edinburgh, Cambridge University Press, 2004.
Style de citation Chicago (17e éd.)Gower R. Roger. Grammar in Practice 3: 40 Units of Self-study Grammar Exercises. Edinburgh, Cambridge University Press, 2004, 2004.
Style de citation MLA (9e éd.)Gower R. Roger. Grammar in Practice 3: 40 Units of Self-study Grammar Exercises. Edinburgh, Cambridge University Press, 2004, 2004.
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