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.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.