Gower R. Roger. (2010). Grammar in practice 5. Intermediate to upper-intermediate: 40 units of self-study grammar exercises. Edinburgh, Cambridge University Press, 2010.
Chicagoスタイル(17版)引用形式Gower R. Roger. Grammar in Practice 5. Intermediate to Upper-intermediate: 40 Units of Self-study Grammar Exercises. Edinburgh, Cambridge University Press, 2010, 2010.
MLA(9版)引用形式Gower R. Roger. Grammar in Practice 5. Intermediate to Upper-intermediate: 40 Units of Self-study Grammar Exercises. Edinburgh, Cambridge University Press, 2010, 2010.
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