Citazione Stile APA (7a Edizione)

Graddol, D., Cheshire, J., & Swann, J. (1994). Describing language (2nd ed.). Open University Press.

Citazione stile Chigago Style (17a edizione)

Graddol, David, Jenny Cheshire, e Joan Swann. Describing Language. 2nd ed. Buckingham: Open University Press, 1994.

Citatione MLA (9a ed.)

Graddol, David, et al. Describing Language. 2nd ed. Open University Press, 1994.