Cita APA (7a ed.)

Thomas, B., Hashemi, L., & Matthews. Laura. (2015). Grammar and Vocabulary for First and First for Schools. Cambridge University press.

Cita Chicago Style (17a ed.)

Thomas, Barbara, Louise Hashemi, y Matthews. Laura. Grammar and Vocabulary for First and First for Schools. Hollywood, FL, Estados Unidos de America: Cambridge University press, 2015.

Cita MLA (9a ed.)

Thomas, Barbara, et al. Grammar and Vocabulary for First and First for Schools. Cambridge University press, 2015.