IInterchangeInterchangede Jack C. RichardsMateriasEnglish language, textbooks for foreign speakersEdiciones (1)Interchange (2005)Cambridge University Press · inglés · ISBN 9780521602181Más obras de Jack C. RichardsAApplications of linguistics to language teachingApplications of linguistics to language teachingAAs I was sayingAs I was sayingAAs I Was Saying ... Conversation TacticsAs I Was Saying ... Conversation Tactics