Cita APA (7a ed.)

Thomson, A. (1962). A practical english grammar exercises-3 Vol 3. O.U.P.

Cita Chicago Style (17a ed.)

Thomson, A. A Practical English Grammar Exercises-3 Vol 3. London: O.U.P, 1962.

Cita MLA (9a ed.)

Thomson, A. A Practical English Grammar Exercises-3 Vol 3. O.U.P, 1962.