Richards, J. C. 1., & Sandy, C. (1998). New interchange: Video teacher's guide 2 : revised for use with New Interchange (2. edition.). Cambridge: Cambridge University Press.
Citación estilo ChicagoRichards, Jack C. 1943-, y Chuck Sandy. New Interchange: Video Teacher's Guide 2 : Revised for Use With New Interchange. 2. edition. Cambridge: Cambridge University Press, 1998.
Cita MLARichards, Jack C. 1943-, y Chuck Sandy. New Interchange: Video Teacher's Guide 2 : Revised for Use With New Interchange. 2. edition. Cambridge: Cambridge University Press, 1998.
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