Carter, R., Hughes, R., & McCarthy, M. (2002). Exploring grammar in context: Upper-intermediate and advanced. Tp.HCM: Nxb Trẻ.
Chicago Style aipamenaCarter, Ronald., Rebecca Hughes, và Michael McCarthy. Exploring Grammar in Context: Upper-intermediate and Advanced. Tp.HCM: Nxb Trẻ, 2002.
MLA aipamenaCarter, Ronald., Rebecca Hughes, và Michael McCarthy. Exploring Grammar in Context: Upper-intermediate and Advanced. Tp.HCM: Nxb Trẻ, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.