Richards, J. C., Hull, J., & Proctor, S. (1998). New interchange: English for international communication : intro student's book 3b. Cambridge University Press.
Citazione stile Chigago Style (17a edizione)Richards, Jack C., Jonathan Hull, e Susan Proctor. New Interchange: English for International Communication : Intro Student's Book 3b. Cambridge, UK ; New York: Cambridge University Press, 1998.
Citatione MLA (8a ed.)Richards, Jack C., et al. New Interchange: English for International Communication : Intro Student's Book 3b. Cambridge University Press, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.