Carter, R., Hughes, R., & McCarthy, M. (2000). Exploring grammar in context: Upper - intermediate and advanced. New York: Cambridge University Press.
Παραπομπή Chicago StyleCarter, Ronald., Rebecca Hughes, και Michael McCarthy. Exploring Grammar in Context: Upper - Intermediate and Advanced. New York: Cambridge University Press, 2000.
Παραπομπή MLACarter, Ronald., Rebecca Hughes, και Michael McCarthy. Exploring Grammar in Context: Upper - Intermediate and Advanced. New York: Cambridge University Press, 2000.
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