Cita APA (7th ed.)

Thomson, A. J. (2004). A practical English grammar (Fifth edition.). Oxford University Press.

Cita Chicago (17th ed.)

Thomson, A. J. A Practical English Grammar. Fifth edition. Oxford: Oxford University Press, 2004.

Cita MLA (9th ed.)

Thomson, A. J. A Practical English Grammar. Fifth edition. Oxford University Press, 2004.