Cita APA

Tilbury, A., & Alex Tilbury; Leslie Anne Hendra; Sarah Ackroyd. (2011). English unlimited. B2, Upper intermediate Teacher's Pack. Cambridge: Cambridge University Press.

Chicago Style Citation

Tilbury, Alex, i Alex Tilbury; Leslie Anne Hendra; Sarah Ackroyd. English Unlimited. B2, Upper Intermediate Teacher's Pack. Cambridge: Cambridge University Press, 2011.

Cita MLA

Tilbury, Alex, i Alex Tilbury; Leslie Anne Hendra; Sarah Ackroyd. English Unlimited. B2, Upper Intermediate Teacher's Pack. Cambridge: Cambridge University Press, 2011.