Richards, J. C., & Jack C. Richards; Jonathan Hull; Susan Proctor. (1997). New interchange: English for international communication ; Student's book 1. Cambridge: Cambridge University Press.
Stile di citazione ChicagoRichards, Jack C., e Jack C. Richards; Jonathan Hull; Susan Proctor. New Interchange: English for International Communication ; Student's Book 1. Cambridge: Cambridge University Press, 1997.
Citazione MLARichards, Jack C., e Jack C. Richards; Jonathan Hull; Susan Proctor. New Interchange: English for International Communication ; Student's Book 1. Cambridge: Cambridge University Press, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.