Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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