Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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