Nettle, M., & Hopkins, D. (2003). Developing grammar in context: Intermediate with answers. New York: Cambridge University Press.
Chicago Style aipamenaNettle, Mark., và Diana Hopkins. Developing Grammar in Context: Intermediate With Answers. New York: Cambridge University Press, 2003.
MLA aipamenaNettle, Mark., và Diana Hopkins. Developing Grammar in Context: Intermediate With Answers. New York: Cambridge University Press, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.