Citazione Stile APA (7a Edizione)

Thomas, B., & Matthews, L. (2007). Cambridge vocabulary for first certificate with answers (1a. ed.). Cambridge University Press.

Citazione stile Chigago Style (17a edizione)

Thomas, Barbara, e Laura Matthews. Cambridge Vocabulary for First Certificate with Answers. 1a. ed. Cambridge: Cambridge University Press, 2007.

Citatione MLA (9a ed.)

Thomas, Barbara, e Laura Matthews. Cambridge Vocabulary for First Certificate with Answers. 1a. ed. Cambridge University Press, 2007.