Interchange Intro Class Audio CDsde Jack C. RichardsEdiciones (1)Interchange Intro Class Audio CDs (Interchange Third Edition) (2004)Cambridge University Press · inglés · ISBN 9780521601641Más 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