Citazione Stile APA (7a Edizione)

Yule, G. (2006). The study of language (3rd ed.). Cambridge University Press.

Citazione stile Chigago Style (17a edizione)

Yule, George. The Study of Language. 3rd ed. Cambridge [England]: Cambridge University Press, 2006.

Citatione MLA (9a ed.)

Yule, George. The Study of Language. 3rd ed. Cambridge University Press, 2006.