Cita APA (7a ed.)

Gower R. Roger. (2010). Grammar in practice 5. Intermediate to upper-intermediate: 40 units of self-study grammar exercises. Edinburgh, Cambridge University Press, 2010.

Cita Chicago Style (17a ed.)

Gower R. Roger. Grammar in Practice 5. Intermediate to Upper-intermediate: 40 Units of Self-study Grammar Exercises. Edinburgh, Cambridge University Press, 2010, 2010.

Cita MLA (9a ed.)

Gower R. Roger. Grammar in Practice 5. Intermediate to Upper-intermediate: 40 Units of Self-study Grammar Exercises. Edinburgh, Cambridge University Press, 2010, 2010.