Cita APA (7a ed.)

Hewings, M., & Haines, S. F. E. (2015). Grammar and vocabulary for advanced: With answers. Cambridge University Press.

Cita Chicago Style (17a ed.)

Hewings, Martin, y Simon F. E. Haines. Grammar and Vocabulary for Advanced: With Answers. Cambridge: Cambridge University Press, 2015.

Cita MLA (9a ed.)

Hewings, Martin, y Simon F. E. Haines. Grammar and Vocabulary for Advanced: With Answers. Cambridge University Press, 2015.