Carter, R., & Nunan, D. (2001). The Cambridge guide to teaching english to speakers of other languages (4th printing.). University Press.
Cita Chicago Style (17a ed.)Carter, Ronald, y David Nunan. The Cambridge Guide to Teaching English to Speakers of Other Languages. 4th printing. Cambridge: University Press, 2001.
Cita MLA (9a ed.)Carter, Ronald, y David Nunan. The Cambridge Guide to Teaching English to Speakers of Other Languages. 4th printing. University Press, 2001.
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