Cita APA (7th ed.)

Carter, R., Hughes, R., & McCarthy, M. (2000). Exploring Grammar in Context upper-Intermediate and advanced. Cambridge University Press.

Cita Chicago (17th ed.)

Carter, Ronald, Rebecca Hughes, i Michael McCarthy. Exploring Grammar in Context Upper-Intermediate and Advanced. Cambridge, United Kingdom: Cambridge University Press, 2000.

Cita MLA (9th ed.)

Carter, Ronald, et al. Exploring Grammar in Context Upper-Intermediate and Advanced. Cambridge University Press, 2000.